tools/power turbostat: dump MSR_TURBO_RATIO_LIMIT2
and up to 18 cores of turbo ratio limit when using the turbostat --debug option. Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
Родитель
12bb43c615
Коммит
fcd17211bd
|
|
@ -65,8 +65,6 @@ unsigned int units = 1000000; /* MHz etc */
|
|||
unsigned int genuine_intel;
|
||||
unsigned int has_invariant_tsc;
|
||||
unsigned int do_nhm_platform_info;
|
||||
unsigned int do_nhm_turbo_ratio_limit;
|
||||
unsigned int do_ivt_turbo_ratio_limit;
|
||||
unsigned int extra_msr_offset32;
|
||||
unsigned int extra_msr_offset64;
|
||||
unsigned int extra_delta_offset32;
|
||||
|
|
@ -1078,14 +1076,12 @@ int slv_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV,
|
|||
int amt_pkg_cstate_limits[8] = {PCL__0, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
|
||||
int phi_pkg_cstate_limits[8] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL};
|
||||
|
||||
void dump_system_config_info(void)
|
||||
static void
|
||||
dump_nhm_platform_info(void)
|
||||
{
|
||||
unsigned long long msr;
|
||||
unsigned int ratio;
|
||||
|
||||
if (!do_nhm_platform_info)
|
||||
return;
|
||||
|
||||
get_msr(0, MSR_NHM_PLATFORM_INFO, &msr);
|
||||
|
||||
fprintf(stderr, "cpu0: MSR_NHM_PLATFORM_INFO: 0x%08llx\n", msr);
|
||||
|
|
@ -1102,8 +1098,36 @@ void dump_system_config_info(void)
|
|||
fprintf(stderr, "cpu0: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
|
||||
msr, msr & 0x2 ? "EN" : "DIS");
|
||||
|
||||
if (!do_ivt_turbo_ratio_limit)
|
||||
goto print_nhm_turbo_ratio_limits;
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
dump_hsw_turbo_ratio_limits(void)
|
||||
{
|
||||
unsigned long long msr;
|
||||
unsigned int ratio;
|
||||
|
||||
get_msr(0, MSR_TURBO_RATIO_LIMIT2, &msr);
|
||||
|
||||
fprintf(stderr, "cpu0: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", msr);
|
||||
|
||||
ratio = (msr >> 8) & 0xFF;
|
||||
if (ratio)
|
||||
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 18 active cores\n",
|
||||
ratio, bclk, ratio * bclk);
|
||||
|
||||
ratio = (msr >> 0) & 0xFF;
|
||||
if (ratio)
|
||||
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 17 active cores\n",
|
||||
ratio, bclk, ratio * bclk);
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
dump_ivt_turbo_ratio_limits(void)
|
||||
{
|
||||
unsigned long long msr;
|
||||
unsigned int ratio;
|
||||
|
||||
get_msr(0, MSR_TURBO_RATIO_LIMIT1, &msr);
|
||||
|
||||
|
|
@ -1148,26 +1172,14 @@ void dump_system_config_info(void)
|
|||
if (ratio)
|
||||
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
|
||||
ratio, bclk, ratio * bclk);
|
||||
return;
|
||||
}
|
||||
|
||||
print_nhm_turbo_ratio_limits:
|
||||
get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
|
||||
|
||||
#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
|
||||
#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
|
||||
|
||||
fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
|
||||
|
||||
fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
|
||||
(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
|
||||
(msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
|
||||
(msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
|
||||
(msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
|
||||
(msr & (1 << 15)) ? "" : "UN",
|
||||
(unsigned int)msr & 7,
|
||||
pkg_cstate_limit_strings[pkg_cstate_limit]);
|
||||
|
||||
if (!do_nhm_turbo_ratio_limit)
|
||||
return;
|
||||
static void
|
||||
dump_nhm_turbo_ratio_limits(void)
|
||||
{
|
||||
unsigned long long msr;
|
||||
unsigned int ratio;
|
||||
|
||||
get_msr(0, MSR_TURBO_RATIO_LIMIT, &msr);
|
||||
|
||||
|
|
@ -1212,7 +1224,30 @@ print_nhm_turbo_ratio_limits:
|
|||
if (ratio)
|
||||
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
|
||||
ratio, bclk, ratio * bclk);
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
dump_nhm_cst_cfg(void)
|
||||
{
|
||||
unsigned long long msr;
|
||||
|
||||
get_msr(0, MSR_NHM_SNB_PKG_CST_CFG_CTL, &msr);
|
||||
|
||||
#define SNB_C1_AUTO_UNDEMOTE (1UL << 27)
|
||||
#define SNB_C3_AUTO_UNDEMOTE (1UL << 28)
|
||||
|
||||
fprintf(stderr, "cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x%08llx", msr);
|
||||
|
||||
fprintf(stderr, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
|
||||
(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
|
||||
(msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
|
||||
(msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
|
||||
(msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
|
||||
(msr & (1 << 15)) ? "" : "UN",
|
||||
(unsigned int)msr & 7,
|
||||
pkg_cstate_limit_strings[pkg_cstate_limit]);
|
||||
return;
|
||||
}
|
||||
|
||||
void free_all_buffers(void)
|
||||
|
|
@ -1625,11 +1660,48 @@ int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
|
|||
|
||||
switch (model) {
|
||||
case 0x3E: /* IVB Xeon */
|
||||
case 0x3F: /* HSW Xeon */
|
||||
return 1;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model)
|
||||
{
|
||||
if (!genuine_intel)
|
||||
return 0;
|
||||
|
||||
if (family != 6)
|
||||
return 0;
|
||||
|
||||
switch (model) {
|
||||
case 0x3F: /* HSW Xeon */
|
||||
return 1;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
dump_cstate_pstate_config_info(family, model)
|
||||
{
|
||||
if (!do_nhm_platform_info)
|
||||
return;
|
||||
|
||||
dump_nhm_platform_info();
|
||||
|
||||
if (has_hsw_turbo_ratio_limit(family, model))
|
||||
dump_hsw_turbo_ratio_limits();
|
||||
|
||||
if (has_ivt_turbo_ratio_limit(family, model))
|
||||
dump_ivt_turbo_ratio_limits();
|
||||
|
||||
if (has_nhm_turbo_ratio_limit(family, model))
|
||||
dump_nhm_turbo_ratio_limits();
|
||||
|
||||
dump_nhm_cst_cfg();
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* print_epb()
|
||||
|
|
@ -2238,7 +2310,7 @@ guess:
|
|||
|
||||
return 0;
|
||||
}
|
||||
void check_cpuid()
|
||||
void process_cpuid()
|
||||
{
|
||||
unsigned int eax, ebx, ecx, edx, max_level;
|
||||
unsigned int fms, family, model, stepping;
|
||||
|
|
@ -2314,15 +2386,15 @@ void check_cpuid()
|
|||
do_slm_cstates = is_slm(family, model);
|
||||
bclk = discover_bclk(family, model);
|
||||
|
||||
do_nhm_turbo_ratio_limit = do_nhm_platform_info && has_nhm_turbo_ratio_limit(family, model);
|
||||
do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
|
||||
rapl_probe(family, model);
|
||||
perf_limit_reasons_probe(family, model);
|
||||
|
||||
if (debug)
|
||||
dump_cstate_pstate_config_info();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
void help()
|
||||
{
|
||||
fprintf(stderr,
|
||||
|
|
@ -2560,13 +2632,10 @@ void turbostat_init()
|
|||
{
|
||||
check_dev_msr();
|
||||
check_permissions();
|
||||
check_cpuid();
|
||||
process_cpuid();
|
||||
|
||||
setup_all_buffers();
|
||||
|
||||
if (debug)
|
||||
dump_system_config_info();
|
||||
|
||||
if (debug)
|
||||
for_all_cpus(print_epb, ODD_COUNTERS);
|
||||
|
||||
|
|
@ -2644,7 +2713,7 @@ int get_and_dump_counters(void)
|
|||
}
|
||||
|
||||
void print_version() {
|
||||
fprintf(stderr, "turbostat version 4.1 10-Feb, 2015"
|
||||
fprintf(stderr, "turbostat version 4.2 23 Mar, 2015"
|
||||
" - Len Brown <lenb@kernel.org>\n");
|
||||
}
|
||||
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче