tools/power turbostat: re-name "%Busy" field to "Busy%"
some tools processing turbostat output have difficulty with items that begin with %... Reported-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -61,7 +61,7 @@ displays the statistics gathered since it was forked.
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.nf
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\fBCPU\fP Linux CPU (logical processor) number. Yes, it is okay that on many systems the CPUs are not listed in numerical order -- for efficiency reasons, turbostat runs in topology order, so HT siblings appear together.
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\fBAVG_MHz\fP number of cycles executed divided by time elapsed.
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\fB%Busy\fP percent of the interval that the CPU retired instructions, aka. % of time in "C0" state.
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\fBBusy%\fP percent of the interval that the CPU retired instructions, aka. % of time in "C0" state.
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\fBBzy_MHz\fP average clock rate while the CPU was busy (in "c0" state).
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\fBTSC_MHz\fP average MHz that the TSC ran during the entire interval.
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.fi
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@ -89,7 +89,7 @@ Without any parameters, turbostat displays statistics ever 5 seconds.
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for turbostat to fork).
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.nf
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[root@hsw]# ./turbostat
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CPU Avg_MHz %Busy Bzy_MHz TSC_MHz
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CPU Avg_MHz Busy% Bzy_MHz TSC_MHz
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- 488 12.51 3898 3498
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0 0 0.01 3885 3498
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4 3897 99.99 3898 3498
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@ -145,7 +145,7 @@ cpu0: MSR_IA32_THERM_STATUS: 0x88340000 (48 C +/- 1)
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cpu1: MSR_IA32_THERM_STATUS: 0x88440000 (32 C +/- 1)
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cpu2: MSR_IA32_THERM_STATUS: 0x88450000 (31 C +/- 1)
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cpu3: MSR_IA32_THERM_STATUS: 0x88490000 (27 C +/- 1)
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Core CPU Avg_MHz %Busy Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp PkgWatt CorWatt GFXWatt
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Core CPU Avg_MHz Busy% Bzy_MHz TSC_MHz SMI CPU%c1 CPU%c3 CPU%c6 CPU%c7 CoreTmp PkgTmp PkgWatt CorWatt GFXWatt
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- - 493 12.64 3898 3498 0 12.64 0.00 0.00 74.72 47 47 21.62 13.74 0.00
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0 0 4 0.11 3894 3498 0 99.89 0.00 0.00 0.00 47 47 21.62 13.74 0.00
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0 4 3897 99.98 3898 3498 0 0.02
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@ -178,7 +178,7 @@ until ^C while the other CPUs are mostly idle:
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.nf
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root@hsw: turbostat cat /dev/zero > /dev/null
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^C
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CPU Avg_MHz %Busy Bzy_MHz TSC_MHz
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CPU Avg_MHz Busy% Bzy_MHz TSC_MHz
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- 482 12.51 3854 3498
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0 0 0.01 1960 3498
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4 0 0.00 2128 3498
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@ -192,12 +192,12 @@ root@hsw: turbostat cat /dev/zero > /dev/null
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.fi
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Above the cycle soaker drives cpu5 up its 3.9 GHz turbo limit.
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The first row shows the average MHz and %Busy across all the processors in the system.
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The first row shows the average MHz and Busy% across all the processors in the system.
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Note that the Avg_MHz column reflects the total number of cycles executed
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divided by the measurement interval. If the %Busy column is 100%,
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divided by the measurement interval. If the Busy% column is 100%,
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then the processor was running at that speed the entire interval.
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The Avg_MHz multiplied by the %Busy results in the Bzy_MHz --
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The Avg_MHz multiplied by the Busy% results in the Bzy_MHz --
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which is the average frequency while the processor was executing --
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not including any non-busy idle time.
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@ -233,7 +233,7 @@ in the brand string in /proc/cpuinfo. On a system where
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the TSC stops in idle, TSC_MHz will drop
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below the processor's base frequency.
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%Busy = MPERF_delta/TSC_delta
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Busy% = MPERF_delta/TSC_delta
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Bzy_MHz = TSC_delta/APERF_delta/MPERF_delta/measurement_interval
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@ -293,7 +293,7 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr)
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/*
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* Example Format w/ field column widths:
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*
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* Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI %Busy CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
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* Package Core CPU Avg_MHz Bzy_MHz TSC_MHz SMI Busy% CPU_%c1 CPU_%c3 CPU_%c6 CPU_%c7 CoreTmp PkgTmp Pkg%pc2 Pkg%pc3 Pkg%pc6 Pkg%pc7 PkgWatt CorWatt GFXWatt
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* 123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678123456781234567812345678
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*/
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@ -308,7 +308,7 @@ void print_header(void)
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if (has_aperf)
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outp += sprintf(outp, " Avg_MHz");
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if (has_aperf)
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outp += sprintf(outp, " %%Busy");
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outp += sprintf(outp, " Busy%%");
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if (has_aperf)
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outp += sprintf(outp, " Bzy_MHz");
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outp += sprintf(outp, " TSC_MHz");
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@ -511,7 +511,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
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outp += sprintf(outp, "%8.0f",
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1.0 / units * t->aperf / interval_float);
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/* %Busy */
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/* Busy% */
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if (has_aperf) {
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if (!skip_c0)
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outp += sprintf(outp, "%8.2f", 100.0 * t->mperf/t->tsc/tsc_tweak);
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