perf hists: Separate out hist print functions
Separate out those functions into ui/stdio/hist.c. This is required for upcoming changes. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1345438331-20234-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
Arnaldo Carvalho de Melo
Родитель
ed7e2c2ec5
Коммит
7ccf4f9058
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@ -404,11 +404,10 @@ LIB_OBJS += $(OUTPUT)util/target.o
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LIB_OBJS += $(OUTPUT)util/rblist.o
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LIB_OBJS += $(OUTPUT)util/intlist.o
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LIB_OBJS += $(OUTPUT)ui/helpline.o
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LIB_OBJS += $(OUTPUT)ui/stdio/hist.o
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BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
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BUILTIN_OBJS += $(OUTPUT)builtin-bench.o
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# Benchmark modules
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BUILTIN_OBJS += $(OUTPUT)bench/sched-messaging.o
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BUILTIN_OBJS += $(OUTPUT)bench/sched-pipe.o
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@ -0,0 +1,648 @@
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#include <stdio.h>
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#include <math.h>
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#include "../../util/util.h"
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#include "../../util/hist.h"
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#include "../../util/sort.h"
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static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
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{
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int i;
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int ret = fprintf(fp, " ");
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for (i = 0; i < left_margin; i++)
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ret += fprintf(fp, " ");
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return ret;
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}
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static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
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int left_margin)
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{
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int i;
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size_t ret = callchain__fprintf_left_margin(fp, left_margin);
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for (i = 0; i < depth; i++)
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if (depth_mask & (1 << i))
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ret += fprintf(fp, "| ");
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else
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ret += fprintf(fp, " ");
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ret += fprintf(fp, "\n");
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return ret;
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}
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static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
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int depth, int depth_mask, int period,
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u64 total_samples, u64 hits,
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int left_margin)
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{
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int i;
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size_t ret = 0;
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ret += callchain__fprintf_left_margin(fp, left_margin);
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for (i = 0; i < depth; i++) {
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if (depth_mask & (1 << i))
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ret += fprintf(fp, "|");
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else
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ret += fprintf(fp, " ");
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if (!period && i == depth - 1) {
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double percent;
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percent = hits * 100.0 / total_samples;
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ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
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} else
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ret += fprintf(fp, "%s", " ");
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}
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if (chain->ms.sym)
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ret += fprintf(fp, "%s\n", chain->ms.sym->name);
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else
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ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
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return ret;
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}
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static struct symbol *rem_sq_bracket;
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static struct callchain_list rem_hits;
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static void init_rem_hits(void)
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{
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rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
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if (!rem_sq_bracket) {
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fprintf(stderr, "Not enough memory to display remaining hits\n");
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return;
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}
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strcpy(rem_sq_bracket->name, "[...]");
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rem_hits.ms.sym = rem_sq_bracket;
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}
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static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
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u64 total_samples, int depth,
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int depth_mask, int left_margin)
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{
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struct rb_node *node, *next;
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struct callchain_node *child;
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struct callchain_list *chain;
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int new_depth_mask = depth_mask;
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u64 remaining;
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size_t ret = 0;
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int i;
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uint entries_printed = 0;
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remaining = total_samples;
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node = rb_first(root);
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while (node) {
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u64 new_total;
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u64 cumul;
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child = rb_entry(node, struct callchain_node, rb_node);
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cumul = callchain_cumul_hits(child);
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remaining -= cumul;
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/*
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* The depth mask manages the output of pipes that show
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* the depth. We don't want to keep the pipes of the current
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* level for the last child of this depth.
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* Except if we have remaining filtered hits. They will
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* supersede the last child
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*/
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next = rb_next(node);
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if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
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new_depth_mask &= ~(1 << (depth - 1));
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/*
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* But we keep the older depth mask for the line separator
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* to keep the level link until we reach the last child
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*/
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ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
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left_margin);
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i = 0;
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list_for_each_entry(chain, &child->val, list) {
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ret += ipchain__fprintf_graph(fp, chain, depth,
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new_depth_mask, i++,
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total_samples,
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cumul,
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left_margin);
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}
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if (callchain_param.mode == CHAIN_GRAPH_REL)
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new_total = child->children_hit;
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else
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new_total = total_samples;
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ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total,
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depth + 1,
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new_depth_mask | (1 << depth),
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left_margin);
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node = next;
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if (++entries_printed == callchain_param.print_limit)
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break;
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}
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if (callchain_param.mode == CHAIN_GRAPH_REL &&
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remaining && remaining != total_samples) {
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if (!rem_sq_bracket)
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return ret;
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new_depth_mask &= ~(1 << (depth - 1));
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ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
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new_depth_mask, 0, total_samples,
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remaining, left_margin);
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}
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return ret;
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}
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static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
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u64 total_samples, int left_margin)
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{
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struct callchain_node *cnode;
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struct callchain_list *chain;
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u32 entries_printed = 0;
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bool printed = false;
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struct rb_node *node;
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int i = 0;
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int ret = 0;
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/*
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* If have one single callchain root, don't bother printing
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* its percentage (100 % in fractal mode and the same percentage
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* than the hist in graph mode). This also avoid one level of column.
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*/
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node = rb_first(root);
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if (node && !rb_next(node)) {
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cnode = rb_entry(node, struct callchain_node, rb_node);
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list_for_each_entry(chain, &cnode->val, list) {
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/*
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* If we sort by symbol, the first entry is the same than
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* the symbol. No need to print it otherwise it appears as
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* displayed twice.
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*/
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if (!i++ && sort__first_dimension == SORT_SYM)
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continue;
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if (!printed) {
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ret += callchain__fprintf_left_margin(fp, left_margin);
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ret += fprintf(fp, "|\n");
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ret += callchain__fprintf_left_margin(fp, left_margin);
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ret += fprintf(fp, "---");
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left_margin += 3;
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printed = true;
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} else
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ret += callchain__fprintf_left_margin(fp, left_margin);
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if (chain->ms.sym)
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ret += fprintf(fp, " %s\n", chain->ms.sym->name);
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else
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ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
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if (++entries_printed == callchain_param.print_limit)
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break;
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}
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root = &cnode->rb_root;
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}
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ret += __callchain__fprintf_graph(fp, root, total_samples,
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1, 1, left_margin);
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ret += fprintf(fp, "\n");
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return ret;
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}
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static size_t __callchain__fprintf_flat(FILE *fp,
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struct callchain_node *self,
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u64 total_samples)
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{
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struct callchain_list *chain;
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size_t ret = 0;
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if (!self)
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return 0;
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ret += __callchain__fprintf_flat(fp, self->parent, total_samples);
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list_for_each_entry(chain, &self->val, list) {
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if (chain->ip >= PERF_CONTEXT_MAX)
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continue;
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if (chain->ms.sym)
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ret += fprintf(fp, " %s\n", chain->ms.sym->name);
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else
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ret += fprintf(fp, " %p\n",
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(void *)(long)chain->ip);
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}
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return ret;
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}
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static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *self,
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u64 total_samples)
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{
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size_t ret = 0;
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u32 entries_printed = 0;
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struct rb_node *rb_node;
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struct callchain_node *chain;
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rb_node = rb_first(self);
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while (rb_node) {
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double percent;
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chain = rb_entry(rb_node, struct callchain_node, rb_node);
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percent = chain->hit * 100.0 / total_samples;
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ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
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ret += __callchain__fprintf_flat(fp, chain, total_samples);
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ret += fprintf(fp, "\n");
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if (++entries_printed == callchain_param.print_limit)
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break;
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rb_node = rb_next(rb_node);
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}
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return ret;
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}
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static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
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u64 total_samples, int left_margin,
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FILE *fp)
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{
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switch (callchain_param.mode) {
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case CHAIN_GRAPH_REL:
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return callchain__fprintf_graph(fp, &he->sorted_chain, he->period,
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left_margin);
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break;
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case CHAIN_GRAPH_ABS:
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return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
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left_margin);
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break;
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case CHAIN_FLAT:
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return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
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break;
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case CHAIN_NONE:
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break;
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default:
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pr_err("Bad callchain mode\n");
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}
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return 0;
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}
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static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s,
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size_t size, struct hists *pair_hists,
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bool show_displacement, long displacement,
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bool color, u64 total_period)
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{
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u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
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u64 nr_events;
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const char *sep = symbol_conf.field_sep;
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int ret;
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if (symbol_conf.exclude_other && !he->parent)
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return 0;
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if (pair_hists) {
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period = he->pair ? he->pair->period : 0;
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nr_events = he->pair ? he->pair->nr_events : 0;
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total = pair_hists->stats.total_period;
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period_sys = he->pair ? he->pair->period_sys : 0;
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period_us = he->pair ? he->pair->period_us : 0;
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period_guest_sys = he->pair ? he->pair->period_guest_sys : 0;
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period_guest_us = he->pair ? he->pair->period_guest_us : 0;
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} else {
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period = he->period;
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nr_events = he->nr_events;
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total = total_period;
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period_sys = he->period_sys;
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period_us = he->period_us;
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period_guest_sys = he->period_guest_sys;
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period_guest_us = he->period_guest_us;
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}
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if (total) {
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if (color)
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ret = percent_color_snprintf(s, size,
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sep ? "%.2f" : " %6.2f%%",
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(period * 100.0) / total);
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else
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ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
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(period * 100.0) / total);
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if (symbol_conf.show_cpu_utilization) {
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ret += percent_color_snprintf(s + ret, size - ret,
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sep ? "%.2f" : " %6.2f%%",
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(period_sys * 100.0) / total);
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ret += percent_color_snprintf(s + ret, size - ret,
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sep ? "%.2f" : " %6.2f%%",
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(period_us * 100.0) / total);
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if (perf_guest) {
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ret += percent_color_snprintf(s + ret,
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size - ret,
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sep ? "%.2f" : " %6.2f%%",
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(period_guest_sys * 100.0) /
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total);
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ret += percent_color_snprintf(s + ret,
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size - ret,
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sep ? "%.2f" : " %6.2f%%",
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(period_guest_us * 100.0) /
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total);
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}
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}
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} else
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ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
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if (symbol_conf.show_nr_samples) {
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if (sep)
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ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
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else
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ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
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}
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if (symbol_conf.show_total_period) {
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if (sep)
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ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
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else
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ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
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}
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if (pair_hists) {
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char bf[32];
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double old_percent = 0, new_percent = 0, diff;
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if (total > 0)
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old_percent = (period * 100.0) / total;
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if (total_period > 0)
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new_percent = (he->period * 100.0) / total_period;
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diff = new_percent - old_percent;
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if (fabs(diff) >= 0.01)
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scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
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else
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scnprintf(bf, sizeof(bf), " ");
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if (sep)
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ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
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else
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ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
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if (show_displacement) {
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if (displacement)
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scnprintf(bf, sizeof(bf), "%+4ld", displacement);
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else
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scnprintf(bf, sizeof(bf), " ");
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if (sep)
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ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
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else
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ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
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||||
}
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}
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return ret;
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}
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int hist_entry__snprintf(struct hist_entry *he, char *s, size_t size,
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struct hists *hists)
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{
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const char *sep = symbol_conf.field_sep;
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struct sort_entry *se;
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||||
int ret = 0;
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||||
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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if (se->elide)
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continue;
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||||
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ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
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ret += se->se_snprintf(he, s + ret, size - ret,
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hists__col_len(hists, se->se_width_idx));
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}
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||||
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||||
return ret;
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||||
}
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||||
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static int hist_entry__fprintf(struct hist_entry *he, size_t size,
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||||
struct hists *hists, struct hists *pair_hists,
|
||||
bool show_displacement, long displacement,
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||||
u64 total_period, FILE *fp)
|
||||
{
|
||||
char bf[512];
|
||||
int ret;
|
||||
|
||||
if (size == 0 || size > sizeof(bf))
|
||||
size = sizeof(bf);
|
||||
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||||
ret = hist_entry__pcnt_snprintf(he, bf, size, pair_hists,
|
||||
show_displacement, displacement,
|
||||
true, total_period);
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||||
hist_entry__snprintf(he, bf + ret, size - ret, hists);
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||||
return fprintf(fp, "%s\n", bf);
|
||||
}
|
||||
|
||||
static size_t hist_entry__fprintf_callchain(struct hist_entry *he,
|
||||
struct hists *hists,
|
||||
u64 total_period, FILE *fp)
|
||||
{
|
||||
int left_margin = 0;
|
||||
|
||||
if (sort__first_dimension == SORT_COMM) {
|
||||
struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
|
||||
typeof(*se), list);
|
||||
left_margin = hists__col_len(hists, se->se_width_idx);
|
||||
left_margin -= thread__comm_len(he->thread);
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||||
}
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||||
|
||||
return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
|
||||
}
|
||||
|
||||
size_t hists__fprintf(struct hists *hists, struct hists *pair,
|
||||
bool show_displacement, bool show_header, int max_rows,
|
||||
int max_cols, FILE *fp)
|
||||
{
|
||||
struct sort_entry *se;
|
||||
struct rb_node *nd;
|
||||
size_t ret = 0;
|
||||
u64 total_period;
|
||||
unsigned long position = 1;
|
||||
long displacement = 0;
|
||||
unsigned int width;
|
||||
const char *sep = symbol_conf.field_sep;
|
||||
const char *col_width = symbol_conf.col_width_list_str;
|
||||
int nr_rows = 0;
|
||||
|
||||
init_rem_hits();
|
||||
|
||||
if (!show_header)
|
||||
goto print_entries;
|
||||
|
||||
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
|
||||
|
||||
if (symbol_conf.show_cpu_utilization) {
|
||||
if (sep) {
|
||||
ret += fprintf(fp, "%csys", *sep);
|
||||
ret += fprintf(fp, "%cus", *sep);
|
||||
if (perf_guest) {
|
||||
ret += fprintf(fp, "%cguest sys", *sep);
|
||||
ret += fprintf(fp, "%cguest us", *sep);
|
||||
}
|
||||
} else {
|
||||
ret += fprintf(fp, " sys ");
|
||||
ret += fprintf(fp, " us ");
|
||||
if (perf_guest) {
|
||||
ret += fprintf(fp, " guest sys ");
|
||||
ret += fprintf(fp, " guest us ");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (symbol_conf.show_nr_samples) {
|
||||
if (sep)
|
||||
fprintf(fp, "%cSamples", *sep);
|
||||
else
|
||||
fputs(" Samples ", fp);
|
||||
}
|
||||
|
||||
if (symbol_conf.show_total_period) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cPeriod", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Period ");
|
||||
}
|
||||
|
||||
if (pair) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cDelta", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Delta ");
|
||||
|
||||
if (show_displacement) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cDisplacement", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Displ");
|
||||
}
|
||||
}
|
||||
|
||||
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
||||
if (se->elide)
|
||||
continue;
|
||||
if (sep) {
|
||||
fprintf(fp, "%c%s", *sep, se->se_header);
|
||||
continue;
|
||||
}
|
||||
width = strlen(se->se_header);
|
||||
if (symbol_conf.col_width_list_str) {
|
||||
if (col_width) {
|
||||
hists__set_col_len(hists, se->se_width_idx,
|
||||
atoi(col_width));
|
||||
col_width = strchr(col_width, ',');
|
||||
if (col_width)
|
||||
++col_width;
|
||||
}
|
||||
}
|
||||
if (!hists__new_col_len(hists, se->se_width_idx, width))
|
||||
width = hists__col_len(hists, se->se_width_idx);
|
||||
fprintf(fp, " %*s", width, se->se_header);
|
||||
}
|
||||
|
||||
fprintf(fp, "\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
if (sep)
|
||||
goto print_entries;
|
||||
|
||||
fprintf(fp, "# ........");
|
||||
if (symbol_conf.show_cpu_utilization)
|
||||
fprintf(fp, " ....... .......");
|
||||
if (symbol_conf.show_nr_samples)
|
||||
fprintf(fp, " ..........");
|
||||
if (symbol_conf.show_total_period)
|
||||
fprintf(fp, " ............");
|
||||
if (pair) {
|
||||
fprintf(fp, " ..........");
|
||||
if (show_displacement)
|
||||
fprintf(fp, " .....");
|
||||
}
|
||||
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
||||
unsigned int i;
|
||||
|
||||
if (se->elide)
|
||||
continue;
|
||||
|
||||
fprintf(fp, " ");
|
||||
width = hists__col_len(hists, se->se_width_idx);
|
||||
if (width == 0)
|
||||
width = strlen(se->se_header);
|
||||
for (i = 0; i < width; i++)
|
||||
fprintf(fp, ".");
|
||||
}
|
||||
|
||||
fprintf(fp, "\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
fprintf(fp, "#\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
print_entries:
|
||||
total_period = hists->stats.total_period;
|
||||
|
||||
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
||||
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
||||
|
||||
if (h->filtered)
|
||||
continue;
|
||||
|
||||
if (show_displacement) {
|
||||
if (h->pair != NULL)
|
||||
displacement = ((long)h->pair->position -
|
||||
(long)position);
|
||||
else
|
||||
displacement = 0;
|
||||
++position;
|
||||
}
|
||||
ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
|
||||
displacement, total_period, fp);
|
||||
|
||||
if (symbol_conf.use_callchain)
|
||||
ret += hist_entry__fprintf_callchain(h, hists, total_period, fp);
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
if (h->ms.map == NULL && verbose > 1) {
|
||||
__map_groups__fprintf_maps(&h->thread->mg,
|
||||
MAP__FUNCTION, verbose, fp);
|
||||
fprintf(fp, "%.10s end\n", graph_dotted_line);
|
||||
}
|
||||
}
|
||||
out:
|
||||
free(rem_sq_bracket);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
|
||||
{
|
||||
int i;
|
||||
size_t ret = 0;
|
||||
|
||||
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
|
||||
const char *name;
|
||||
|
||||
if (hists->stats.nr_events[i] == 0)
|
||||
continue;
|
||||
|
||||
name = perf_event__name(i);
|
||||
if (!strcmp(name, "UNKNOWN"))
|
||||
continue;
|
||||
|
||||
ret += fprintf(fp, "%16s events: %10d\n", name,
|
||||
hists->stats.nr_events[i]);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
@ -45,7 +45,7 @@ bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
|
|||
return false;
|
||||
}
|
||||
|
||||
static void hists__reset_col_len(struct hists *hists)
|
||||
void hists__reset_col_len(struct hists *hists)
|
||||
{
|
||||
enum hist_column col;
|
||||
|
||||
|
|
@ -63,7 +63,7 @@ static void hists__set_unres_dso_col_len(struct hists *hists, int dso)
|
|||
hists__set_col_len(hists, dso, unresolved_col_width);
|
||||
}
|
||||
|
||||
static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
|
||||
void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
|
||||
{
|
||||
const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
|
||||
u16 len;
|
||||
|
|
@ -114,6 +114,22 @@ static void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
|
|||
}
|
||||
}
|
||||
|
||||
void hists__output_recalc_col_len(struct hists *hists, int max_rows)
|
||||
{
|
||||
struct rb_node *next = rb_first(&hists->entries);
|
||||
struct hist_entry *n;
|
||||
int row = 0;
|
||||
|
||||
hists__reset_col_len(hists);
|
||||
|
||||
while (next && row++ < max_rows) {
|
||||
n = rb_entry(next, struct hist_entry, rb_node);
|
||||
if (!n->filtered)
|
||||
hists__calc_col_len(hists, n);
|
||||
next = rb_next(&n->rb_node);
|
||||
}
|
||||
}
|
||||
|
||||
static void hist_entry__add_cpumode_period(struct hist_entry *he,
|
||||
unsigned int cpumode, u64 period)
|
||||
{
|
||||
|
|
@ -547,641 +563,6 @@ void hists__output_resort_threaded(struct hists *hists)
|
|||
return __hists__output_resort(hists, true);
|
||||
}
|
||||
|
||||
static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
|
||||
{
|
||||
int i;
|
||||
int ret = fprintf(fp, " ");
|
||||
|
||||
for (i = 0; i < left_margin; i++)
|
||||
ret += fprintf(fp, " ");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask,
|
||||
int left_margin)
|
||||
{
|
||||
int i;
|
||||
size_t ret = callchain__fprintf_left_margin(fp, left_margin);
|
||||
|
||||
for (i = 0; i < depth; i++)
|
||||
if (depth_mask & (1 << i))
|
||||
ret += fprintf(fp, "| ");
|
||||
else
|
||||
ret += fprintf(fp, " ");
|
||||
|
||||
ret += fprintf(fp, "\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain,
|
||||
int depth, int depth_mask, int period,
|
||||
u64 total_samples, u64 hits,
|
||||
int left_margin)
|
||||
{
|
||||
int i;
|
||||
size_t ret = 0;
|
||||
|
||||
ret += callchain__fprintf_left_margin(fp, left_margin);
|
||||
for (i = 0; i < depth; i++) {
|
||||
if (depth_mask & (1 << i))
|
||||
ret += fprintf(fp, "|");
|
||||
else
|
||||
ret += fprintf(fp, " ");
|
||||
if (!period && i == depth - 1) {
|
||||
double percent;
|
||||
|
||||
percent = hits * 100.0 / total_samples;
|
||||
ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
|
||||
} else
|
||||
ret += fprintf(fp, "%s", " ");
|
||||
}
|
||||
if (chain->ms.sym)
|
||||
ret += fprintf(fp, "%s\n", chain->ms.sym->name);
|
||||
else
|
||||
ret += fprintf(fp, "0x%0" PRIx64 "\n", chain->ip);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct symbol *rem_sq_bracket;
|
||||
static struct callchain_list rem_hits;
|
||||
|
||||
static void init_rem_hits(void)
|
||||
{
|
||||
rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
|
||||
if (!rem_sq_bracket) {
|
||||
fprintf(stderr, "Not enough memory to display remaining hits\n");
|
||||
return;
|
||||
}
|
||||
|
||||
strcpy(rem_sq_bracket->name, "[...]");
|
||||
rem_hits.ms.sym = rem_sq_bracket;
|
||||
}
|
||||
|
||||
static size_t __callchain__fprintf_graph(FILE *fp, struct rb_root *root,
|
||||
u64 total_samples, int depth,
|
||||
int depth_mask, int left_margin)
|
||||
{
|
||||
struct rb_node *node, *next;
|
||||
struct callchain_node *child;
|
||||
struct callchain_list *chain;
|
||||
int new_depth_mask = depth_mask;
|
||||
u64 remaining;
|
||||
size_t ret = 0;
|
||||
int i;
|
||||
uint entries_printed = 0;
|
||||
|
||||
remaining = total_samples;
|
||||
|
||||
node = rb_first(root);
|
||||
while (node) {
|
||||
u64 new_total;
|
||||
u64 cumul;
|
||||
|
||||
child = rb_entry(node, struct callchain_node, rb_node);
|
||||
cumul = callchain_cumul_hits(child);
|
||||
remaining -= cumul;
|
||||
|
||||
/*
|
||||
* The depth mask manages the output of pipes that show
|
||||
* the depth. We don't want to keep the pipes of the current
|
||||
* level for the last child of this depth.
|
||||
* Except if we have remaining filtered hits. They will
|
||||
* supersede the last child
|
||||
*/
|
||||
next = rb_next(node);
|
||||
if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
|
||||
new_depth_mask &= ~(1 << (depth - 1));
|
||||
|
||||
/*
|
||||
* But we keep the older depth mask for the line separator
|
||||
* to keep the level link until we reach the last child
|
||||
*/
|
||||
ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
|
||||
left_margin);
|
||||
i = 0;
|
||||
list_for_each_entry(chain, &child->val, list) {
|
||||
ret += ipchain__fprintf_graph(fp, chain, depth,
|
||||
new_depth_mask, i++,
|
||||
total_samples,
|
||||
cumul,
|
||||
left_margin);
|
||||
}
|
||||
|
||||
if (callchain_param.mode == CHAIN_GRAPH_REL)
|
||||
new_total = child->children_hit;
|
||||
else
|
||||
new_total = total_samples;
|
||||
|
||||
ret += __callchain__fprintf_graph(fp, &child->rb_root, new_total,
|
||||
depth + 1,
|
||||
new_depth_mask | (1 << depth),
|
||||
left_margin);
|
||||
node = next;
|
||||
if (++entries_printed == callchain_param.print_limit)
|
||||
break;
|
||||
}
|
||||
|
||||
if (callchain_param.mode == CHAIN_GRAPH_REL &&
|
||||
remaining && remaining != total_samples) {
|
||||
|
||||
if (!rem_sq_bracket)
|
||||
return ret;
|
||||
|
||||
new_depth_mask &= ~(1 << (depth - 1));
|
||||
ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
|
||||
new_depth_mask, 0, total_samples,
|
||||
remaining, left_margin);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t callchain__fprintf_graph(FILE *fp, struct rb_root *root,
|
||||
u64 total_samples, int left_margin)
|
||||
{
|
||||
struct callchain_node *cnode;
|
||||
struct callchain_list *chain;
|
||||
u32 entries_printed = 0;
|
||||
bool printed = false;
|
||||
struct rb_node *node;
|
||||
int i = 0;
|
||||
int ret = 0;
|
||||
|
||||
/*
|
||||
* If have one single callchain root, don't bother printing
|
||||
* its percentage (100 % in fractal mode and the same percentage
|
||||
* than the hist in graph mode). This also avoid one level of column.
|
||||
*/
|
||||
node = rb_first(root);
|
||||
if (node && !rb_next(node)) {
|
||||
cnode = rb_entry(node, struct callchain_node, rb_node);
|
||||
list_for_each_entry(chain, &cnode->val, list) {
|
||||
/*
|
||||
* If we sort by symbol, the first entry is the same than
|
||||
* the symbol. No need to print it otherwise it appears as
|
||||
* displayed twice.
|
||||
*/
|
||||
if (!i++ && sort__first_dimension == SORT_SYM)
|
||||
continue;
|
||||
if (!printed) {
|
||||
ret += callchain__fprintf_left_margin(fp, left_margin);
|
||||
ret += fprintf(fp, "|\n");
|
||||
ret += callchain__fprintf_left_margin(fp, left_margin);
|
||||
ret += fprintf(fp, "---");
|
||||
left_margin += 3;
|
||||
printed = true;
|
||||
} else
|
||||
ret += callchain__fprintf_left_margin(fp, left_margin);
|
||||
|
||||
if (chain->ms.sym)
|
||||
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
|
||||
else
|
||||
ret += fprintf(fp, " %p\n", (void *)(long)chain->ip);
|
||||
|
||||
if (++entries_printed == callchain_param.print_limit)
|
||||
break;
|
||||
}
|
||||
root = &cnode->rb_root;
|
||||
}
|
||||
|
||||
ret += __callchain__fprintf_graph(fp, root, total_samples,
|
||||
1, 1, left_margin);
|
||||
ret += fprintf(fp, "\n");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t __callchain__fprintf_flat(FILE *fp,
|
||||
struct callchain_node *self,
|
||||
u64 total_samples)
|
||||
{
|
||||
struct callchain_list *chain;
|
||||
size_t ret = 0;
|
||||
|
||||
if (!self)
|
||||
return 0;
|
||||
|
||||
ret += __callchain__fprintf_flat(fp, self->parent, total_samples);
|
||||
|
||||
|
||||
list_for_each_entry(chain, &self->val, list) {
|
||||
if (chain->ip >= PERF_CONTEXT_MAX)
|
||||
continue;
|
||||
if (chain->ms.sym)
|
||||
ret += fprintf(fp, " %s\n", chain->ms.sym->name);
|
||||
else
|
||||
ret += fprintf(fp, " %p\n",
|
||||
(void *)(long)chain->ip);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t callchain__fprintf_flat(FILE *fp, struct rb_root *self,
|
||||
u64 total_samples)
|
||||
{
|
||||
size_t ret = 0;
|
||||
u32 entries_printed = 0;
|
||||
struct rb_node *rb_node;
|
||||
struct callchain_node *chain;
|
||||
|
||||
rb_node = rb_first(self);
|
||||
while (rb_node) {
|
||||
double percent;
|
||||
|
||||
chain = rb_entry(rb_node, struct callchain_node, rb_node);
|
||||
percent = chain->hit * 100.0 / total_samples;
|
||||
|
||||
ret = percent_color_fprintf(fp, " %6.2f%%\n", percent);
|
||||
ret += __callchain__fprintf_flat(fp, chain, total_samples);
|
||||
ret += fprintf(fp, "\n");
|
||||
if (++entries_printed == callchain_param.print_limit)
|
||||
break;
|
||||
|
||||
rb_node = rb_next(rb_node);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static size_t hist_entry_callchain__fprintf(struct hist_entry *he,
|
||||
u64 total_samples, int left_margin,
|
||||
FILE *fp)
|
||||
{
|
||||
switch (callchain_param.mode) {
|
||||
case CHAIN_GRAPH_REL:
|
||||
return callchain__fprintf_graph(fp, &he->sorted_chain, he->period,
|
||||
left_margin);
|
||||
break;
|
||||
case CHAIN_GRAPH_ABS:
|
||||
return callchain__fprintf_graph(fp, &he->sorted_chain, total_samples,
|
||||
left_margin);
|
||||
break;
|
||||
case CHAIN_FLAT:
|
||||
return callchain__fprintf_flat(fp, &he->sorted_chain, total_samples);
|
||||
break;
|
||||
case CHAIN_NONE:
|
||||
break;
|
||||
default:
|
||||
pr_err("Bad callchain mode\n");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void hists__output_recalc_col_len(struct hists *hists, int max_rows)
|
||||
{
|
||||
struct rb_node *next = rb_first(&hists->entries);
|
||||
struct hist_entry *n;
|
||||
int row = 0;
|
||||
|
||||
hists__reset_col_len(hists);
|
||||
|
||||
while (next && row++ < max_rows) {
|
||||
n = rb_entry(next, struct hist_entry, rb_node);
|
||||
if (!n->filtered)
|
||||
hists__calc_col_len(hists, n);
|
||||
next = rb_next(&n->rb_node);
|
||||
}
|
||||
}
|
||||
|
||||
static int hist_entry__pcnt_snprintf(struct hist_entry *he, char *s,
|
||||
size_t size, struct hists *pair_hists,
|
||||
bool show_displacement, long displacement,
|
||||
bool color, u64 total_period)
|
||||
{
|
||||
u64 period, total, period_sys, period_us, period_guest_sys, period_guest_us;
|
||||
u64 nr_events;
|
||||
const char *sep = symbol_conf.field_sep;
|
||||
int ret;
|
||||
|
||||
if (symbol_conf.exclude_other && !he->parent)
|
||||
return 0;
|
||||
|
||||
if (pair_hists) {
|
||||
period = he->pair ? he->pair->period : 0;
|
||||
nr_events = he->pair ? he->pair->nr_events : 0;
|
||||
total = pair_hists->stats.total_period;
|
||||
period_sys = he->pair ? he->pair->period_sys : 0;
|
||||
period_us = he->pair ? he->pair->period_us : 0;
|
||||
period_guest_sys = he->pair ? he->pair->period_guest_sys : 0;
|
||||
period_guest_us = he->pair ? he->pair->period_guest_us : 0;
|
||||
} else {
|
||||
period = he->period;
|
||||
nr_events = he->nr_events;
|
||||
total = total_period;
|
||||
period_sys = he->period_sys;
|
||||
period_us = he->period_us;
|
||||
period_guest_sys = he->period_guest_sys;
|
||||
period_guest_us = he->period_guest_us;
|
||||
}
|
||||
|
||||
if (total) {
|
||||
if (color)
|
||||
ret = percent_color_snprintf(s, size,
|
||||
sep ? "%.2f" : " %6.2f%%",
|
||||
(period * 100.0) / total);
|
||||
else
|
||||
ret = scnprintf(s, size, sep ? "%.2f" : " %6.2f%%",
|
||||
(period * 100.0) / total);
|
||||
if (symbol_conf.show_cpu_utilization) {
|
||||
ret += percent_color_snprintf(s + ret, size - ret,
|
||||
sep ? "%.2f" : " %6.2f%%",
|
||||
(period_sys * 100.0) / total);
|
||||
ret += percent_color_snprintf(s + ret, size - ret,
|
||||
sep ? "%.2f" : " %6.2f%%",
|
||||
(period_us * 100.0) / total);
|
||||
if (perf_guest) {
|
||||
ret += percent_color_snprintf(s + ret,
|
||||
size - ret,
|
||||
sep ? "%.2f" : " %6.2f%%",
|
||||
(period_guest_sys * 100.0) /
|
||||
total);
|
||||
ret += percent_color_snprintf(s + ret,
|
||||
size - ret,
|
||||
sep ? "%.2f" : " %6.2f%%",
|
||||
(period_guest_us * 100.0) /
|
||||
total);
|
||||
}
|
||||
}
|
||||
} else
|
||||
ret = scnprintf(s, size, sep ? "%" PRIu64 : "%12" PRIu64 " ", period);
|
||||
|
||||
if (symbol_conf.show_nr_samples) {
|
||||
if (sep)
|
||||
ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, nr_events);
|
||||
else
|
||||
ret += scnprintf(s + ret, size - ret, "%11" PRIu64, nr_events);
|
||||
}
|
||||
|
||||
if (symbol_conf.show_total_period) {
|
||||
if (sep)
|
||||
ret += scnprintf(s + ret, size - ret, "%c%" PRIu64, *sep, period);
|
||||
else
|
||||
ret += scnprintf(s + ret, size - ret, " %12" PRIu64, period);
|
||||
}
|
||||
|
||||
if (pair_hists) {
|
||||
char bf[32];
|
||||
double old_percent = 0, new_percent = 0, diff;
|
||||
|
||||
if (total > 0)
|
||||
old_percent = (period * 100.0) / total;
|
||||
if (total_period > 0)
|
||||
new_percent = (he->period * 100.0) / total_period;
|
||||
|
||||
diff = new_percent - old_percent;
|
||||
|
||||
if (fabs(diff) >= 0.01)
|
||||
scnprintf(bf, sizeof(bf), "%+4.2F%%", diff);
|
||||
else
|
||||
scnprintf(bf, sizeof(bf), " ");
|
||||
|
||||
if (sep)
|
||||
ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
|
||||
else
|
||||
ret += scnprintf(s + ret, size - ret, "%11.11s", bf);
|
||||
|
||||
if (show_displacement) {
|
||||
if (displacement)
|
||||
scnprintf(bf, sizeof(bf), "%+4ld", displacement);
|
||||
else
|
||||
scnprintf(bf, sizeof(bf), " ");
|
||||
|
||||
if (sep)
|
||||
ret += scnprintf(s + ret, size - ret, "%c%s", *sep, bf);
|
||||
else
|
||||
ret += scnprintf(s + ret, size - ret, "%6.6s", bf);
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int hist_entry__snprintf(struct hist_entry *he, char *s, size_t size,
|
||||
struct hists *hists)
|
||||
{
|
||||
const char *sep = symbol_conf.field_sep;
|
||||
struct sort_entry *se;
|
||||
int ret = 0;
|
||||
|
||||
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
||||
if (se->elide)
|
||||
continue;
|
||||
|
||||
ret += scnprintf(s + ret, size - ret, "%s", sep ?: " ");
|
||||
ret += se->se_snprintf(he, s + ret, size - ret,
|
||||
hists__col_len(hists, se->se_width_idx));
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int hist_entry__fprintf(struct hist_entry *he, size_t size,
|
||||
struct hists *hists, struct hists *pair_hists,
|
||||
bool show_displacement, long displacement,
|
||||
u64 total_period, FILE *fp)
|
||||
{
|
||||
char bf[512];
|
||||
int ret;
|
||||
|
||||
if (size == 0 || size > sizeof(bf))
|
||||
size = sizeof(bf);
|
||||
|
||||
ret = hist_entry__pcnt_snprintf(he, bf, size, pair_hists,
|
||||
show_displacement, displacement,
|
||||
true, total_period);
|
||||
hist_entry__snprintf(he, bf + ret, size - ret, hists);
|
||||
return fprintf(fp, "%s\n", bf);
|
||||
}
|
||||
|
||||
static size_t hist_entry__fprintf_callchain(struct hist_entry *he,
|
||||
struct hists *hists,
|
||||
u64 total_period, FILE *fp)
|
||||
{
|
||||
int left_margin = 0;
|
||||
|
||||
if (sort__first_dimension == SORT_COMM) {
|
||||
struct sort_entry *se = list_first_entry(&hist_entry__sort_list,
|
||||
typeof(*se), list);
|
||||
left_margin = hists__col_len(hists, se->se_width_idx);
|
||||
left_margin -= thread__comm_len(he->thread);
|
||||
}
|
||||
|
||||
return hist_entry_callchain__fprintf(he, total_period, left_margin, fp);
|
||||
}
|
||||
|
||||
size_t hists__fprintf(struct hists *hists, struct hists *pair,
|
||||
bool show_displacement, bool show_header, int max_rows,
|
||||
int max_cols, FILE *fp)
|
||||
{
|
||||
struct sort_entry *se;
|
||||
struct rb_node *nd;
|
||||
size_t ret = 0;
|
||||
u64 total_period;
|
||||
unsigned long position = 1;
|
||||
long displacement = 0;
|
||||
unsigned int width;
|
||||
const char *sep = symbol_conf.field_sep;
|
||||
const char *col_width = symbol_conf.col_width_list_str;
|
||||
int nr_rows = 0;
|
||||
|
||||
init_rem_hits();
|
||||
|
||||
if (!show_header)
|
||||
goto print_entries;
|
||||
|
||||
fprintf(fp, "# %s", pair ? "Baseline" : "Overhead");
|
||||
|
||||
if (symbol_conf.show_cpu_utilization) {
|
||||
if (sep) {
|
||||
ret += fprintf(fp, "%csys", *sep);
|
||||
ret += fprintf(fp, "%cus", *sep);
|
||||
if (perf_guest) {
|
||||
ret += fprintf(fp, "%cguest sys", *sep);
|
||||
ret += fprintf(fp, "%cguest us", *sep);
|
||||
}
|
||||
} else {
|
||||
ret += fprintf(fp, " sys ");
|
||||
ret += fprintf(fp, " us ");
|
||||
if (perf_guest) {
|
||||
ret += fprintf(fp, " guest sys ");
|
||||
ret += fprintf(fp, " guest us ");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (symbol_conf.show_nr_samples) {
|
||||
if (sep)
|
||||
fprintf(fp, "%cSamples", *sep);
|
||||
else
|
||||
fputs(" Samples ", fp);
|
||||
}
|
||||
|
||||
if (symbol_conf.show_total_period) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cPeriod", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Period ");
|
||||
}
|
||||
|
||||
if (pair) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cDelta", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Delta ");
|
||||
|
||||
if (show_displacement) {
|
||||
if (sep)
|
||||
ret += fprintf(fp, "%cDisplacement", *sep);
|
||||
else
|
||||
ret += fprintf(fp, " Displ");
|
||||
}
|
||||
}
|
||||
|
||||
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
||||
if (se->elide)
|
||||
continue;
|
||||
if (sep) {
|
||||
fprintf(fp, "%c%s", *sep, se->se_header);
|
||||
continue;
|
||||
}
|
||||
width = strlen(se->se_header);
|
||||
if (symbol_conf.col_width_list_str) {
|
||||
if (col_width) {
|
||||
hists__set_col_len(hists, se->se_width_idx,
|
||||
atoi(col_width));
|
||||
col_width = strchr(col_width, ',');
|
||||
if (col_width)
|
||||
++col_width;
|
||||
}
|
||||
}
|
||||
if (!hists__new_col_len(hists, se->se_width_idx, width))
|
||||
width = hists__col_len(hists, se->se_width_idx);
|
||||
fprintf(fp, " %*s", width, se->se_header);
|
||||
}
|
||||
|
||||
fprintf(fp, "\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
if (sep)
|
||||
goto print_entries;
|
||||
|
||||
fprintf(fp, "# ........");
|
||||
if (symbol_conf.show_cpu_utilization)
|
||||
fprintf(fp, " ....... .......");
|
||||
if (symbol_conf.show_nr_samples)
|
||||
fprintf(fp, " ..........");
|
||||
if (symbol_conf.show_total_period)
|
||||
fprintf(fp, " ............");
|
||||
if (pair) {
|
||||
fprintf(fp, " ..........");
|
||||
if (show_displacement)
|
||||
fprintf(fp, " .....");
|
||||
}
|
||||
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
||||
unsigned int i;
|
||||
|
||||
if (se->elide)
|
||||
continue;
|
||||
|
||||
fprintf(fp, " ");
|
||||
width = hists__col_len(hists, se->se_width_idx);
|
||||
if (width == 0)
|
||||
width = strlen(se->se_header);
|
||||
for (i = 0; i < width; i++)
|
||||
fprintf(fp, ".");
|
||||
}
|
||||
|
||||
fprintf(fp, "\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
fprintf(fp, "#\n");
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
print_entries:
|
||||
total_period = hists->stats.total_period;
|
||||
|
||||
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
||||
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
||||
|
||||
if (h->filtered)
|
||||
continue;
|
||||
|
||||
if (show_displacement) {
|
||||
if (h->pair != NULL)
|
||||
displacement = ((long)h->pair->position -
|
||||
(long)position);
|
||||
else
|
||||
displacement = 0;
|
||||
++position;
|
||||
}
|
||||
ret += hist_entry__fprintf(h, max_cols, hists, pair, show_displacement,
|
||||
displacement, total_period, fp);
|
||||
|
||||
if (symbol_conf.use_callchain)
|
||||
ret += hist_entry__fprintf_callchain(h, hists, total_period, fp);
|
||||
if (max_rows && ++nr_rows >= max_rows)
|
||||
goto out;
|
||||
|
||||
if (h->ms.map == NULL && verbose > 1) {
|
||||
__map_groups__fprintf_maps(&h->thread->mg,
|
||||
MAP__FUNCTION, verbose, fp);
|
||||
fprintf(fp, "%.10s end\n", graph_dotted_line);
|
||||
}
|
||||
}
|
||||
out:
|
||||
free(rem_sq_bracket);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* See hists__fprintf to match the column widths
|
||||
*/
|
||||
|
|
@ -1342,25 +723,3 @@ void hists__inc_nr_events(struct hists *hists, u32 type)
|
|||
++hists->stats.nr_events[0];
|
||||
++hists->stats.nr_events[type];
|
||||
}
|
||||
|
||||
size_t hists__fprintf_nr_events(struct hists *hists, FILE *fp)
|
||||
{
|
||||
int i;
|
||||
size_t ret = 0;
|
||||
|
||||
for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
|
||||
const char *name;
|
||||
|
||||
if (hists->stats.nr_events[i] == 0)
|
||||
continue;
|
||||
|
||||
name = perf_event__name(i);
|
||||
if (!strcmp(name, "UNKNOWN"))
|
||||
continue;
|
||||
|
||||
ret += fprintf(fp, "%16s events: %10d\n", name,
|
||||
hists->stats.nr_events[i]);
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -112,6 +112,8 @@ void hists__filter_by_symbol(struct hists *hists);
|
|||
u16 hists__col_len(struct hists *self, enum hist_column col);
|
||||
void hists__set_col_len(struct hists *self, enum hist_column col, u16 len);
|
||||
bool hists__new_col_len(struct hists *self, enum hist_column col, u16 len);
|
||||
void hists__reset_col_len(struct hists *hists);
|
||||
void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
|
||||
|
||||
struct perf_evlist;
|
||||
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче