gru: add additional GRU statistics
Add additional GRU statistics & debug messages. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jack Steiner
Linus Torvalds
Родитель
4107e1d38a
Коммит
563447d7eb
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@ -303,7 +303,7 @@ static int gru_try_dropin(struct gru_thread_state *gts,
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struct gru_tlb_fault_handle *tfh,
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struct gru_instruction_bits *cbk)
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{
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int pageshift = 0, asid, write, ret, atomic = !cbk;
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int pageshift = 0, asid, write, ret, atomic = !cbk, indexway;
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unsigned long gpa = 0, vaddr = 0;
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/*
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@ -333,6 +333,7 @@ static int gru_try_dropin(struct gru_thread_state *gts,
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write = (tfh->cause & TFHCAUSE_TLB_MOD) != 0;
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vaddr = tfh->missvaddr;
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asid = tfh->missasid;
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indexway = tfh->indexway;
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if (asid == 0)
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goto failnoasid;
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@ -361,11 +362,12 @@ static int gru_try_dropin(struct gru_thread_state *gts,
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gru_cb_set_istatus_active(cbk);
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tfh_write_restart(tfh, gpa, GAA_RAM, vaddr, asid, write,
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GRU_PAGESIZE(pageshift));
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STAT(tlb_dropin);
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gru_dbg(grudev,
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"%s: tfh 0x%p, vaddr 0x%lx, asid 0x%x, ps %d, gpa 0x%lx\n",
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ret ? "non-atomic" : "atomic", tfh, vaddr, asid,
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pageshift, gpa);
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"%s: gid %d, gts 0x%p, tfh 0x%p, vaddr 0x%lx, asid 0x%x, indexway 0x%x,"
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" rw %d, ps %d, gpa 0x%lx\n",
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atomic ? "atomic" : "non-atomic", gts->ts_gru->gs_gid, gts, tfh, vaddr, asid,
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indexway, write, pageshift, gpa);
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STAT(tlb_dropin);
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return 0;
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failnoasid:
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@ -460,12 +462,14 @@ static irqreturn_t gru_intr(int chiplet, int blade)
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dmap.fault_bits[0], dmap.fault_bits[1]);
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for_each_cbr_in_tfm(cbrnum, dmap.fault_bits) {
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STAT(intr_cbr);
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complete(gru->gs_blade->bs_async_wq);
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gru_dbg(grudev, "gid %d, cbr_done %d, done %d\n",
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gru->gs_gid, cbrnum, gru->gs_blade->bs_async_wq->done);
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}
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for_each_cbr_in_tfm(cbrnum, imap.fault_bits) {
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STAT(intr_tfh);
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tfh = get_tfh_by_index(gru, cbrnum);
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prefetchw(tfh); /* Helps on hdw, required for emulator */
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@ -551,7 +555,6 @@ int gru_handle_user_call_os(unsigned long cb)
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int ucbnum, cbrnum, ret = -EINVAL;
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STAT(call_os);
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gru_dbg(grudev, "address 0x%lx\n", cb);
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/* sanity check the cb pointer */
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ucbnum = get_cb_number((void *)cb);
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@ -561,6 +564,7 @@ int gru_handle_user_call_os(unsigned long cb)
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gts = gru_find_lock_gts(cb);
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if (!gts)
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return -EINVAL;
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gru_dbg(grudev, "address 0x%lx, gid %d, gts 0x%p\n", cb, gts->ts_gru ? gts->ts_gru->gs_gid : -1, gts);
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if (ucbnum >= gts->ts_cbr_au_count * GRU_CBR_AU_SIZE)
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goto exit;
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@ -603,11 +607,11 @@ int gru_get_exception_detail(unsigned long arg)
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if (copy_from_user(&excdet, (void __user *)arg, sizeof(excdet)))
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return -EFAULT;
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gru_dbg(grudev, "address 0x%lx\n", excdet.cb);
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gts = gru_find_lock_gts(excdet.cb);
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if (!gts)
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return -EINVAL;
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gru_dbg(grudev, "address 0x%lx, gid %d, gts 0x%p\n", excdet.cb, gts->ts_gru ? gts->ts_gru->gs_gid : -1, gts);
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ucbnum = get_cb_number((void *)excdet.cb);
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if (ucbnum >= gts->ts_cbr_au_count * GRU_CBR_AU_SIZE) {
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ret = -EINVAL;
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@ -192,7 +192,7 @@ static long gru_file_unlocked_ioctl(struct file *file, unsigned int req,
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{
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int err = -EBADRQC;
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gru_dbg(grudev, "file %p\n", file);
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gru_dbg(grudev, "file %p, req 0x%x, 0x%lx\n", file, req, arg);
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switch (req) {
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case GRU_CREATE_CONTEXT:
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@ -27,9 +27,11 @@
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#ifdef CONFIG_IA64
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#include <asm/processor.h>
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#define GRU_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
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#define CLKS2NSEC(c) ((c) *1000000000 / local_cpu_data->itc_freq)
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#else
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#include <asm/tsc.h>
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#define GRU_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)
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#define CLKS2NSEC(c) ((c) * 1000000 / tsc_khz)
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#endif
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/* Extract the status field from a kernel handle */
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@ -39,10 +41,13 @@ struct mcs_op_statistic mcs_op_statistics[mcsop_last];
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static void update_mcs_stats(enum mcs_op op, unsigned long clks)
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{
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unsigned long nsec;
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nsec = CLKS2NSEC(clks);
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atomic_long_inc(&mcs_op_statistics[op].count);
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atomic_long_add(clks, &mcs_op_statistics[op].total);
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if (mcs_op_statistics[op].max < clks)
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mcs_op_statistics[op].max = clks;
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atomic_long_add(nsec, &mcs_op_statistics[op].total);
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if (mcs_op_statistics[op].max < nsec)
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mcs_op_statistics[op].max = nsec;
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}
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static void start_instruction(void *h)
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@ -414,8 +414,8 @@ char *gru_get_cb_exception_detail_str(int ret, void *cb,
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if (ret > 0 && gen->istatus == CBS_EXCEPTION) {
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gru_get_cb_exception_detail(cb, &excdet);
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snprintf(buf, size,
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"GRU exception: cb %p, opc %d, exopc %d, ecause 0x%x,"
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"excdet0 0x%lx, excdet1 0x%x",
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"GRU:%d exception: cb %p, opc %d, exopc %d, ecause 0x%x,"
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"excdet0 0x%lx, excdet1 0x%x", smp_processor_id(),
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gen, excdet.opc, excdet.exopc, excdet.ecause,
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excdet.exceptdet0, excdet.exceptdet1);
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} else {
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@ -604,6 +604,8 @@ static int send_noop_message(void *cb, struct gru_message_queue_desc *mqd,
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ret = MQE_UNEXPECTED_CB_ERR;
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break;
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case CBSS_PAGE_OVERFLOW:
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STAT(mesq_noop_page_overflow);
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/* fallthru */
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default:
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BUG();
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}
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@ -745,6 +747,9 @@ static int send_message_failure(void *cb, struct gru_message_queue_desc *mqd,
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STAT(mesq_send_put_nacked);
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ret = send_message_put_nacked(cb, mqd, mesg, lines);
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break;
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case CBSS_PAGE_OVERFLOW:
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STAT(mesq_page_overflow);
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/* fallthru */
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default:
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BUG();
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}
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@ -837,7 +842,6 @@ void *gru_get_next_message(struct gru_message_queue_desc *mqd)
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int present = mhdr->present;
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/* skip NOOP messages */
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STAT(mesq_receive);
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while (present == MQS_NOOP) {
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gru_free_message(mqd, mhdr);
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mhdr = mq->next;
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@ -857,6 +861,7 @@ void *gru_get_next_message(struct gru_message_queue_desc *mqd)
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if (mhdr->lines == 2)
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restore_present2(mhdr, mhdr->present2);
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STAT(mesq_receive);
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return mhdr;
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}
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EXPORT_SYMBOL_GPL(gru_get_next_message);
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@ -927,24 +932,24 @@ static int quicktest0(unsigned long arg)
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gru_vload(cb, uv_gpa(&word0), gru_get_tri(dsr), XTYPE_DW, 1, 1, IMA);
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if (gru_wait(cb) != CBS_IDLE) {
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printk(KERN_DEBUG "GRU quicktest0: CBR failure 1\n");
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printk(KERN_DEBUG "GRU:%d quicktest0: CBR failure 1\n", smp_processor_id());
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goto done;
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}
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if (*p != MAGIC) {
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printk(KERN_DEBUG "GRU: quicktest0 bad magic 0x%lx\n", *p);
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printk(KERN_DEBUG "GRU:%d quicktest0 bad magic 0x%lx\n", smp_processor_id(), *p);
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goto done;
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}
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gru_vstore(cb, uv_gpa(&word1), gru_get_tri(dsr), XTYPE_DW, 1, 1, IMA);
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if (gru_wait(cb) != CBS_IDLE) {
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printk(KERN_DEBUG "GRU quicktest0: CBR failure 2\n");
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printk(KERN_DEBUG "GRU:%d quicktest0: CBR failure 2\n", smp_processor_id());
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goto done;
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}
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if (word0 != word1 || word1 != MAGIC) {
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printk(KERN_DEBUG
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"GRU quicktest0 err: found 0x%lx, expected 0x%lx\n",
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word1, MAGIC);
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"GRU:%d quicktest0 err: found 0x%lx, expected 0x%lx\n",
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smp_processor_id(), word1, MAGIC);
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goto done;
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}
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ret = 0;
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@ -981,8 +986,11 @@ static int quicktest1(unsigned long arg)
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if (ret)
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break;
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}
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if (ret != MQE_QUEUE_FULL || i != 4)
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if (ret != MQE_QUEUE_FULL || i != 4) {
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printk(KERN_DEBUG "GRU:%d quicktest1: unexpect status %d, i %d\n",
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smp_processor_id(), ret, i);
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goto done;
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}
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for (i = 0; i < 6; i++) {
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m = gru_get_next_message(&mqd);
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@ -990,7 +998,12 @@ static int quicktest1(unsigned long arg)
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break;
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gru_free_message(&mqd, m);
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}
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ret = (i == 4) ? 0 : -EIO;
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if (i != 4) {
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printk(KERN_DEBUG "GRU:%d quicktest2: bad message, i %d, m %p, m8 %d\n",
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smp_processor_id(), i, m, m ? m[8] : -1);
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goto done;
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}
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ret = 0;
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done:
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kfree(p);
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@ -1069,7 +1082,7 @@ static int quicktest3(unsigned long arg)
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memset(buf1, get_cycles() & 255, sizeof(buf1));
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gru_copy_gpa(uv_gpa(buf2), uv_gpa(buf1), BUFSIZE);
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if (memcmp(buf1, buf2, BUFSIZE)) {
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printk(KERN_DEBUG "GRU quicktest3 error\n");
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printk(KERN_DEBUG "GRU:%d quicktest3 error\n", smp_processor_id());
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ret = -EIO;
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}
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return ret;
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@ -370,6 +370,7 @@ struct gru_vma_data *gru_alloc_vma_data(struct vm_area_struct *vma, int tsid)
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if (!vdata)
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return NULL;
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STAT(vdata_alloc);
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INIT_LIST_HEAD(&vdata->vd_head);
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spin_lock_init(&vdata->vd_lock);
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gru_dbg(grudev, "alloc vdata %p\n", vdata);
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@ -552,7 +553,8 @@ void gru_unload_context(struct gru_thread_state *gts, int savestate)
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zap_vma_ptes(gts->ts_vma, UGRUADDR(gts), GRU_GSEG_PAGESIZE);
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cch = get_cch(gru->gs_gru_base_vaddr, ctxnum);
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gru_dbg(grudev, "gts %p\n", gts);
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gru_dbg(grudev, "gts %p, cbrmap 0x%lx, dsrmap 0x%lx\n",
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gts, gts->ts_cbr_map, gts->ts_dsr_map);
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lock_cch_handle(cch);
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if (cch_interrupt_sync(cch))
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BUG();
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@ -583,9 +585,7 @@ void gru_load_context(struct gru_thread_state *gts)
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struct gru_context_configuration_handle *cch;
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int i, err, asid, ctxnum = gts->ts_ctxnum;
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gru_dbg(grudev, "gts %p\n", gts);
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cch = get_cch(gru->gs_gru_base_vaddr, ctxnum);
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lock_cch_handle(cch);
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cch->tfm_fault_bit_enable =
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(gts->ts_user_options == GRU_OPT_MISS_FMM_POLL
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@ -635,6 +635,10 @@ void gru_load_context(struct gru_thread_state *gts)
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if (cch_start(cch))
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BUG();
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unlock_cch_handle(cch);
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gru_dbg(grudev, "gid %d, gts %p, cbrmap 0x%lx, dsrmap 0x%lx, tie %d, tis %d\n",
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gts->ts_gru->gs_gid, gts, gts->ts_cbr_map, gts->ts_dsr_map,
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(gts->ts_user_options == GRU_OPT_MISS_FMM_INTR), gts->ts_tlb_int_select);
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}
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/*
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@ -36,8 +36,7 @@ static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id)
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{
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unsigned long val = atomic_long_read(v);
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if (val)
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seq_printf(s, "%16lu %s\n", val, id);
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seq_printf(s, "%16lu %s\n", val, id);
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}
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static int statistics_show(struct seq_file *s, void *p)
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@ -46,7 +45,8 @@ static int statistics_show(struct seq_file *s, void *p)
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printstat(s, vdata_free);
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printstat(s, gts_alloc);
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printstat(s, gts_free);
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printstat(s, vdata_double_alloc);
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printstat(s, gms_alloc);
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printstat(s, gms_free);
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printstat(s, gts_double_allocate);
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printstat(s, assign_context);
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printstat(s, assign_context_failed);
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@ -59,15 +59,15 @@ static int statistics_show(struct seq_file *s, void *p)
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printstat(s, steal_kernel_context);
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printstat(s, steal_context_failed);
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printstat(s, nopfn);
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printstat(s, break_cow);
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printstat(s, asid_new);
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printstat(s, asid_next);
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printstat(s, asid_wrap);
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printstat(s, asid_reuse);
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printstat(s, intr);
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printstat(s, intr_cbr);
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printstat(s, intr_tfh);
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printstat(s, intr_mm_lock_failed);
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printstat(s, call_os);
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printstat(s, call_os_check_for_bug);
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printstat(s, call_os_wait_queue);
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printstat(s, user_flush_tlb);
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printstat(s, user_unload_context);
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@ -83,11 +83,9 @@ static int statistics_show(struct seq_file *s, void *p)
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printstat(s, tlb_dropin_fail_idle);
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printstat(s, tlb_dropin_fail_fmm);
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printstat(s, tlb_dropin_fail_no_exception);
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printstat(s, tlb_dropin_fail_no_exception_war);
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printstat(s, tfh_stale_on_fault);
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printstat(s, mmu_invalidate_range);
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printstat(s, mmu_invalidate_page);
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printstat(s, mmu_clear_flush_young);
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printstat(s, flush_tlb);
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printstat(s, flush_tlb_gru);
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printstat(s, flush_tlb_gru_tgh);
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@ -104,7 +102,6 @@ static int statistics_show(struct seq_file *s, void *p)
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printstat(s, mesq_send_qlimit_reached);
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printstat(s, mesq_send_amo_nacked);
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printstat(s, mesq_send_put_nacked);
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printstat(s, mesq_qf_not_full);
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printstat(s, mesq_qf_locked);
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printstat(s, mesq_qf_noop_not_full);
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printstat(s, mesq_qf_switch_head_failed);
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@ -114,6 +111,7 @@ static int statistics_show(struct seq_file *s, void *p)
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printstat(s, mesq_noop_qlimit_reached);
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printstat(s, mesq_noop_amo_nacked);
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printstat(s, mesq_noop_put_nacked);
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printstat(s, mesq_noop_page_overflow);
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return 0;
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}
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@ -131,6 +129,7 @@ static int mcs_statistics_show(struct seq_file *s, void *p)
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static char *id[] = {"cch_allocate", "cch_start", "cch_interrupt",
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"cch_interrupt_sync", "cch_deallocate", "tgh_invalidate"};
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seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks");
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for (op = 0; op < mcsop_last; op++) {
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count = atomic_long_read(&mcs_op_statistics[op].count);
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total = atomic_long_read(&mcs_op_statistics[op].total);
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@ -150,6 +149,7 @@ static ssize_t mcs_statistics_write(struct file *file,
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static int options_show(struct seq_file *s, void *p)
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{
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seq_printf(s, "#bitmask: 1=trace, 2=statistics\n");
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seq_printf(s, "0x%lx\n", gru_options);
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return 0;
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}
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@ -179,16 +179,17 @@ static int cch_seq_show(struct seq_file *file, void *data)
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const char *mode[] = { "??", "UPM", "INTR", "OS_POLL" };
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||||
if (gid == 0)
|
||||
seq_printf(file, "#%5s%5s%6s%9s%6s%8s%8s\n", "gid", "bid",
|
||||
"ctx#", "pid", "cbrs", "dsbytes", "mode");
|
||||
seq_printf(file, "#%5s%5s%6s%7s%9s%6s%8s%8s\n", "gid", "bid",
|
||||
"ctx#", "asid", "pid", "cbrs", "dsbytes", "mode");
|
||||
if (gru)
|
||||
for (i = 0; i < GRU_NUM_CCH; i++) {
|
||||
ts = gru->gs_gts[i];
|
||||
if (!ts)
|
||||
continue;
|
||||
seq_printf(file, " %5d%5d%6d%9d%6d%8d%8s\n",
|
||||
seq_printf(file, " %5d%5d%6d%7d%9d%6d%8d%8s\n",
|
||||
gru->gs_gid, gru->gs_blade_id, i,
|
||||
ts->ts_tgid_owner,
|
||||
is_kernel_context(ts) ? 0 : ts->ts_gms->ms_asids[gid].mt_asid,
|
||||
is_kernel_context(ts) ? 0 : ts->ts_tgid_owner,
|
||||
ts->ts_cbr_au_count * GRU_CBR_AU_SIZE,
|
||||
ts->ts_cbr_au_count * GRU_DSR_AU_BYTES,
|
||||
mode[ts->ts_user_options &
|
||||
|
|
|
|||
|
|
@ -171,7 +171,8 @@ struct gru_stats_s {
|
|||
atomic_long_t vdata_free;
|
||||
atomic_long_t gts_alloc;
|
||||
atomic_long_t gts_free;
|
||||
atomic_long_t vdata_double_alloc;
|
||||
atomic_long_t gms_alloc;
|
||||
atomic_long_t gms_free;
|
||||
atomic_long_t gts_double_allocate;
|
||||
atomic_long_t assign_context;
|
||||
atomic_long_t assign_context_failed;
|
||||
|
|
@ -184,15 +185,15 @@ struct gru_stats_s {
|
|||
atomic_long_t steal_kernel_context;
|
||||
atomic_long_t steal_context_failed;
|
||||
atomic_long_t nopfn;
|
||||
atomic_long_t break_cow;
|
||||
atomic_long_t asid_new;
|
||||
atomic_long_t asid_next;
|
||||
atomic_long_t asid_wrap;
|
||||
atomic_long_t asid_reuse;
|
||||
atomic_long_t intr;
|
||||
atomic_long_t intr_cbr;
|
||||
atomic_long_t intr_tfh;
|
||||
atomic_long_t intr_mm_lock_failed;
|
||||
atomic_long_t call_os;
|
||||
atomic_long_t call_os_check_for_bug;
|
||||
atomic_long_t call_os_wait_queue;
|
||||
atomic_long_t user_flush_tlb;
|
||||
atomic_long_t user_unload_context;
|
||||
|
|
@ -208,11 +209,9 @@ struct gru_stats_s {
|
|||
atomic_long_t tlb_dropin_fail_idle;
|
||||
atomic_long_t tlb_dropin_fail_fmm;
|
||||
atomic_long_t tlb_dropin_fail_no_exception;
|
||||
atomic_long_t tlb_dropin_fail_no_exception_war;
|
||||
atomic_long_t tfh_stale_on_fault;
|
||||
atomic_long_t mmu_invalidate_range;
|
||||
atomic_long_t mmu_invalidate_page;
|
||||
atomic_long_t mmu_clear_flush_young;
|
||||
atomic_long_t flush_tlb;
|
||||
atomic_long_t flush_tlb_gru;
|
||||
atomic_long_t flush_tlb_gru_tgh;
|
||||
|
|
@ -231,7 +230,7 @@ struct gru_stats_s {
|
|||
atomic_long_t mesq_send_qlimit_reached;
|
||||
atomic_long_t mesq_send_amo_nacked;
|
||||
atomic_long_t mesq_send_put_nacked;
|
||||
atomic_long_t mesq_qf_not_full;
|
||||
atomic_long_t mesq_page_overflow;
|
||||
atomic_long_t mesq_qf_locked;
|
||||
atomic_long_t mesq_qf_noop_not_full;
|
||||
atomic_long_t mesq_qf_switch_head_failed;
|
||||
|
|
@ -241,6 +240,7 @@ struct gru_stats_s {
|
|||
atomic_long_t mesq_noop_qlimit_reached;
|
||||
atomic_long_t mesq_noop_amo_nacked;
|
||||
atomic_long_t mesq_noop_put_nacked;
|
||||
atomic_long_t mesq_noop_page_overflow;
|
||||
|
||||
};
|
||||
|
||||
|
|
@ -255,8 +255,8 @@ struct mcs_op_statistic {
|
|||
|
||||
extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
|
||||
|
||||
#define OPT_DPRINT 1
|
||||
#define OPT_STATS 2
|
||||
#define OPT_DPRINT 1
|
||||
#define OPT_STATS 2
|
||||
|
||||
|
||||
#define IRQ_GRU 110 /* Starting IRQ number for interrupts */
|
||||
|
|
@ -279,7 +279,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last];
|
|||
#define gru_dbg(dev, fmt, x...) \
|
||||
do { \
|
||||
if (gru_options & OPT_DPRINT) \
|
||||
dev_dbg(dev, "%s: " fmt, __func__, x); \
|
||||
printk(KERN_DEBUG "GRU:%d %s: " fmt, smp_processor_id(), __func__, x);\
|
||||
} while (0)
|
||||
#else
|
||||
#define gru_dbg(x...)
|
||||
|
|
|
|||
|
|
@ -184,8 +184,8 @@ void gru_flush_tlb_range(struct gru_mm_struct *gms, unsigned long start,
|
|||
STAT(flush_tlb_gru_tgh);
|
||||
asid = GRUASID(asid, start);
|
||||
gru_dbg(grudev,
|
||||
" FLUSH gruid %d, asid 0x%x, num %ld, cbmap 0x%x\n",
|
||||
gid, asid, num, asids->mt_ctxbitmap);
|
||||
" FLUSH gruid %d, asid 0x%x, vaddr 0x%lx, vamask 0x%x, num %ld, cbmap 0x%x\n",
|
||||
gid, asid, start, grupagesize, num, asids->mt_ctxbitmap);
|
||||
tgh = get_lock_tgh_handle(gru);
|
||||
tgh_invalidate(tgh, start, ~0, asid, grupagesize, 0,
|
||||
num - 1, asids->mt_ctxbitmap);
|
||||
|
|
@ -308,6 +308,7 @@ struct gru_mm_struct *gru_register_mmu_notifier(void)
|
|||
} else {
|
||||
gms = kzalloc(sizeof(*gms), GFP_KERNEL);
|
||||
if (gms) {
|
||||
STAT(gms_alloc);
|
||||
spin_lock_init(&gms->ms_asid_lock);
|
||||
gms->ms_notifier.ops = &gru_mmuops;
|
||||
atomic_set(&gms->ms_refcnt, 1);
|
||||
|
|
@ -333,6 +334,7 @@ void gru_drop_mmu_notifier(struct gru_mm_struct *gms)
|
|||
if (!gms->ms_released)
|
||||
mmu_notifier_unregister(&gms->ms_notifier, current->mm);
|
||||
kfree(gms);
|
||||
STAT(gms_free);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
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Ссылка в новой задаче