forked from luck/tmp_suning_uos_patched
tools turbostat: add summary option
turbostat -s cuts down on the amount of output, per user request. also treak some output whitespace and the man page. Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown
parent
c16fa4f2ad
commit
e23da0370f
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@ -4,11 +4,13 @@ turbostat \- Report processor frequency and idle statistics
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.SH SYNOPSIS
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.ft B
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.B turbostat
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.RB [ "\-s" ]
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.RB [ "\-v" ]
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.RB [ "\-M MSR#" ]
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.RB command
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.br
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.B turbostat
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.RB [ "\-s" ]
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.RB [ "\-v" ]
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.RB [ "\-M MSR#" ]
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.RB [ "\-i interval_sec" ]
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@ -25,6 +27,8 @@ supports an "invariant" TSC, plus the APERF and MPERF MSRs.
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on processors that additionally support C-state residency counters.
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.SS Options
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The \fB-s\fP option prints only a 1-line summary for each sample interval.
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.PP
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The \fB-v\fP option increases verbosity.
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.PP
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The \fB-M MSR#\fP option dumps the specified MSR,
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@ -39,13 +43,14 @@ displays the statistics gathered since it was forked.
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.SH FIELD DESCRIPTIONS
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.nf
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\fBpk\fP processor package number.
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\fBcr\fP processor core number.
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\fBcor\fP processor core number.
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\fBCPU\fP Linux CPU (logical processor) number.
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Note that multiple CPUs per core indicate support for Intel(R) Hyper-Threading Technology.
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\fB%c0\fP percent of the interval that the CPU retired instructions.
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\fBGHz\fP average clock rate while the CPU was in c0 state.
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\fBTSC\fP average GHz that the TSC ran during the entire interval.
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\fB%c1, %c3, %c6\fP show the percentage residency in hardware core idle states.
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\fB%pc3, %pc6\fP percentage residency in hardware package idle states.
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\fB%c1, %c3, %c6, %c7\fP show the percentage residency in hardware core idle states.
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\fB%pc2, %pc3, %pc6, %pc7\fP percentage residency in hardware package idle states.
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.fi
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.PP
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.SH EXAMPLE
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@ -53,25 +58,37 @@ Without any parameters, turbostat prints out counters ever 5 seconds.
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(override interval with "-i sec" option, or specify a command
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for turbostat to fork).
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The first row of statistics reflect the average for the entire system.
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The first row of statistics is a summary for the entire system.
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Note that the summary is a weighted average.
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Subsequent rows show per-CPU statistics.
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.nf
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[root@x980]# ./turbostat
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cr CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6
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0.04 1.62 3.38 0.11 0.00 99.85 0.00 95.07
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0 0 0.04 1.62 3.38 0.06 0.00 99.90 0.00 95.07
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0 6 0.02 1.62 3.38 0.08 0.00 99.90 0.00 95.07
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1 2 0.10 1.62 3.38 0.29 0.00 99.61 0.00 95.07
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1 8 0.11 1.62 3.38 0.28 0.00 99.61 0.00 95.07
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2 4 0.01 1.62 3.38 0.01 0.00 99.98 0.00 95.07
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2 10 0.01 1.61 3.38 0.02 0.00 99.98 0.00 95.07
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8 1 0.07 1.62 3.38 0.15 0.00 99.78 0.00 95.07
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8 7 0.03 1.62 3.38 0.19 0.00 99.78 0.00 95.07
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9 3 0.01 1.62 3.38 0.02 0.00 99.98 0.00 95.07
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9 9 0.01 1.62 3.38 0.02 0.00 99.98 0.00 95.07
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10 5 0.01 1.62 3.38 0.13 0.00 99.86 0.00 95.07
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10 11 0.08 1.62 3.38 0.05 0.00 99.86 0.00 95.07
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cor CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6
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0.60 1.63 3.38 2.91 0.00 96.49 0.00 76.64
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0 0 0.59 1.62 3.38 4.51 0.00 94.90 0.00 76.64
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0 6 1.13 1.64 3.38 3.97 0.00 94.90 0.00 76.64
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1 2 0.08 1.62 3.38 0.07 0.00 99.85 0.00 76.64
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1 8 0.03 1.62 3.38 0.12 0.00 99.85 0.00 76.64
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2 4 0.01 1.62 3.38 0.06 0.00 99.93 0.00 76.64
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2 10 0.04 1.62 3.38 0.02 0.00 99.93 0.00 76.64
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8 1 2.85 1.62 3.38 11.71 0.00 85.44 0.00 76.64
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8 7 1.98 1.62 3.38 12.58 0.00 85.44 0.00 76.64
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9 3 0.36 1.62 3.38 0.71 0.00 98.93 0.00 76.64
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9 9 0.09 1.62 3.38 0.98 0.00 98.93 0.00 76.64
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10 5 0.03 1.62 3.38 0.09 0.00 99.87 0.00 76.64
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10 11 0.07 1.62 3.38 0.06 0.00 99.87 0.00 76.64
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.fi
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.SH SUMMARY EXAMPLE
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The "-s" option prints the column headers just once,
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and then the one line system summary for each sample interval.
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.nf
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[root@x980]# ./turbostat -s
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%c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6
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0.61 1.89 3.38 5.95 0.00 93.44 0.00 66.33
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0.52 1.62 3.38 6.83 0.00 92.65 0.00 61.11
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0.62 1.92 3.38 5.47 0.00 93.91 0.00 67.31
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.fi
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.SH VERBOSE EXAMPLE
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The "-v" option adds verbosity to the output:
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@ -101,33 +118,33 @@ until ^C while the other CPUs are mostly idle:
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.nf
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[root@x980 lenb]# ./turbostat cat /dev/zero > /dev/null
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^Ccr CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6
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8.49 3.63 3.38 16.23 0.66 74.63 0.00 0.00
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0 0 1.22 3.62 3.38 32.18 0.00 66.60 0.00 0.00
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0 6 0.40 3.61 3.38 33.00 0.00 66.60 0.00 0.00
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1 2 0.11 3.14 3.38 0.19 3.95 95.75 0.00 0.00
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1 8 0.05 2.88 3.38 0.25 3.95 95.75 0.00 0.00
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2 4 0.00 3.13 3.38 0.02 0.00 99.98 0.00 0.00
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2 10 0.00 3.09 3.38 0.02 0.00 99.98 0.00 0.00
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8 1 0.04 3.50 3.38 14.43 0.00 85.54 0.00 0.00
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8 7 0.03 2.98 3.38 14.43 0.00 85.54 0.00 0.00
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9 3 0.00 3.16 3.38 100.00 0.00 0.00 0.00 0.00
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9 9 99.93 3.63 3.38 0.06 0.00 0.00 0.00 0.00
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10 5 0.01 2.82 3.38 0.08 0.00 99.91 0.00 0.00
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10 11 0.02 3.36 3.38 0.06 0.00 99.91 0.00 0.00
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6.950866 sec
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^C
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cor CPU %c0 GHz TSC %c1 %c3 %c6 %pc3 %pc6
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8.63 3.64 3.38 14.46 0.49 76.42 0.00 0.00
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0 0 0.34 3.36 3.38 99.66 0.00 0.00 0.00 0.00
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0 6 99.96 3.64 3.38 0.04 0.00 0.00 0.00 0.00
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1 2 0.14 3.50 3.38 1.75 2.04 96.07 0.00 0.00
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1 8 0.38 3.57 3.38 1.51 2.04 96.07 0.00 0.00
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2 4 0.01 2.65 3.38 0.06 0.00 99.93 0.00 0.00
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2 10 0.03 2.12 3.38 0.04 0.00 99.93 0.00 0.00
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8 1 0.91 3.59 3.38 35.27 0.92 62.90 0.00 0.00
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8 7 1.61 3.63 3.38 34.57 0.92 62.90 0.00 0.00
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9 3 0.04 3.38 3.38 0.20 0.00 99.76 0.00 0.00
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9 9 0.04 3.29 3.38 0.20 0.00 99.76 0.00 0.00
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10 5 0.03 3.08 3.38 0.12 0.00 99.85 0.00 0.00
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10 11 0.05 3.07 3.38 0.10 0.00 99.85 0.00 0.00
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4.907015 sec
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.fi
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Above the cycle soaker drives cpu9 up 3.6 Ghz turbo limit
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Above the cycle soaker drives cpu6 up 3.6 Ghz turbo limit
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while the other processors are generally in various states of idle.
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Note that cpu3 is an HT sibling sharing core9
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with cpu9, and thus it is unable to get to an idle state
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deeper than c1 while cpu9 is busy.
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Note that cpu0 is an HT sibling sharing core0
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with cpu6, and thus it is unable to get to an idle state
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deeper than c1 while cpu6 is busy.
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Note that turbostat reports average GHz of 3.61, while
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the arithmetic average of the GHz column above is 3.24.
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Note that turbostat reports average GHz of 3.64, while
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the arithmetic average of the GHz column above is lower.
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This is a weighted average, where the weight is %c0. ie. it is the total number of
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un-halted cycles elapsed per time divided by the number of CPUs.
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.SH NOTES
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@ -167,6 +184,6 @@ http://www.intel.com/products/processor/manuals/
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.SH "SEE ALSO"
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msr(4), vmstat(8)
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.PP
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.SH AUTHORS
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.SH AUTHOR
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.nf
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Written by Len Brown <len.brown@intel.com>
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@ -2,7 +2,7 @@
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* turbostat -- show CPU frequency and C-state residency
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* on modern Intel turbo-capable processors.
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*
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* Copyright (c) 2010, Intel Corporation.
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* Copyright (c) 2012 Intel Corporation.
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* Len Brown <len.brown@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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@ -49,6 +49,7 @@
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char *proc_stat = "/proc/stat";
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unsigned int interval_sec = 5; /* set with -i interval_sec */
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unsigned int verbose; /* set with -v */
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unsigned int summary_only; /* set with -s */
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unsigned int skip_c0;
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unsigned int skip_c1;
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unsigned int do_nhm_cstates;
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@ -129,14 +130,18 @@ void print_header(void)
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{
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if (show_pkg)
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fprintf(stderr, "pk");
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if (show_pkg)
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fprintf(stderr, " ");
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if (show_core)
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fprintf(stderr, " cr");
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fprintf(stderr, "cor");
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if (show_cpu)
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fprintf(stderr, " CPU");
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if (show_pkg || show_core || show_cpu)
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fprintf(stderr, " ");
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if (do_nhm_cstates)
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fprintf(stderr, " %%c0 ");
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fprintf(stderr, " %%c0");
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if (has_aperf)
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fprintf(stderr, " GHz");
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fprintf(stderr, " GHz");
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fprintf(stderr, " TSC");
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if (do_nhm_cstates)
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fprintf(stderr, " %%c1");
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@ -147,13 +152,13 @@ void print_header(void)
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if (do_snb_cstates)
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fprintf(stderr, " %%c7");
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if (do_snb_cstates)
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fprintf(stderr, " %%pc2");
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fprintf(stderr, " %%pc2");
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if (do_nhm_cstates)
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fprintf(stderr, " %%pc3");
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fprintf(stderr, " %%pc3");
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if (do_nhm_cstates)
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fprintf(stderr, " %%pc6");
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fprintf(stderr, " %%pc6");
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if (do_snb_cstates)
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fprintf(stderr, " %%pc7");
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fprintf(stderr, " %%pc7");
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if (extra_msr_offset)
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fprintf(stderr, " MSR 0x%x ", extra_msr_offset);
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@ -187,6 +192,15 @@ void dump_list(struct counters *cnt)
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dump_cnt(cnt);
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}
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/*
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* column formatting convention & formats
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* package: "pk" 2 columns %2d
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* core: "cor" 3 columns %3d
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* CPU: "CPU" 3 columns %3d
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* GHz: "GHz" 3 columns %3.2
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* TSC: "TSC" 3 columns %3.2
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* percentage " %pc3" %6.2
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*/
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void print_cnt(struct counters *p)
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{
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double interval_float;
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@ -196,39 +210,45 @@ void print_cnt(struct counters *p)
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/* topology columns, print blanks on 1st (average) line */
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if (p == cnt_average) {
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if (show_pkg)
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fprintf(stderr, " ");
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if (show_pkg && show_core)
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fprintf(stderr, " ");
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if (show_core)
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fprintf(stderr, " ");
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fprintf(stderr, " ");
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if (show_cpu)
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fprintf(stderr, " ");
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fprintf(stderr, " " " ");
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} else {
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if (show_pkg)
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fprintf(stderr, "%d", p->pkg);
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fprintf(stderr, "%2d", p->pkg);
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if (show_pkg && show_core)
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fprintf(stderr, " ");
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if (show_core)
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fprintf(stderr, "%4d", p->core);
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fprintf(stderr, "%3d", p->core);
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if (show_cpu)
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fprintf(stderr, "%4d", p->cpu);
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fprintf(stderr, " %3d", p->cpu);
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}
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/* %c0 */
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if (do_nhm_cstates) {
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if (show_pkg || show_core || show_cpu)
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fprintf(stderr, " ");
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if (!skip_c0)
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fprintf(stderr, "%7.2f", 100.0 * p->mperf/p->tsc);
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fprintf(stderr, "%6.2f", 100.0 * p->mperf/p->tsc);
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else
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fprintf(stderr, " ****");
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fprintf(stderr, " ****");
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}
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/* GHz */
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if (has_aperf) {
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if (!aperf_mperf_unstable) {
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fprintf(stderr, "%5.2f",
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fprintf(stderr, " %3.2f",
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1.0 * p->tsc / units * p->aperf /
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p->mperf / interval_float);
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} else {
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if (p->aperf > p->tsc || p->mperf > p->tsc) {
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fprintf(stderr, " ****");
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fprintf(stderr, " ***");
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} else {
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fprintf(stderr, "%4.1f*",
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fprintf(stderr, "%3.1f*",
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1.0 * p->tsc /
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units * p->aperf /
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p->mperf / interval_float);
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@ -241,7 +261,7 @@ void print_cnt(struct counters *p)
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if (do_nhm_cstates) {
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if (!skip_c1)
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fprintf(stderr, "%7.2f", 100.0 * p->c1/p->tsc);
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fprintf(stderr, " %6.2f", 100.0 * p->c1/p->tsc);
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else
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fprintf(stderr, " ****");
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}
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@ -252,13 +272,13 @@ void print_cnt(struct counters *p)
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if (do_snb_cstates)
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fprintf(stderr, " %6.2f", 100.0 * p->c7/p->tsc);
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if (do_snb_cstates)
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fprintf(stderr, " %5.2f", 100.0 * p->pc2/p->tsc);
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fprintf(stderr, " %6.2f", 100.0 * p->pc2/p->tsc);
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if (do_nhm_cstates)
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fprintf(stderr, " %5.2f", 100.0 * p->pc3/p->tsc);
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fprintf(stderr, " %6.2f", 100.0 * p->pc3/p->tsc);
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if (do_nhm_cstates)
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fprintf(stderr, " %5.2f", 100.0 * p->pc6/p->tsc);
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fprintf(stderr, " %6.2f", 100.0 * p->pc6/p->tsc);
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if (do_snb_cstates)
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fprintf(stderr, " %5.2f", 100.0 * p->pc7/p->tsc);
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fprintf(stderr, " %6.2f", 100.0 * p->pc7/p->tsc);
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if (extra_msr_offset)
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fprintf(stderr, " 0x%016llx", p->extra_msr);
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putc('\n', stderr);
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@ -267,12 +287,20 @@ void print_cnt(struct counters *p)
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void print_counters(struct counters *counters)
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{
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struct counters *cnt;
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static int printed;
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print_header();
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if (!printed || !summary_only)
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print_header();
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if (num_cpus > 1)
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print_cnt(cnt_average);
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printed = 1;
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if (summary_only)
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return;
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for (cnt = counters; cnt != NULL; cnt = cnt->next)
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print_cnt(cnt);
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@ -557,7 +585,8 @@ void insert_counters(struct counters **list,
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return;
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}
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show_cpu = 1; /* there is more than one CPU */
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if (!summary_only)
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show_cpu = 1; /* there is more than one CPU */
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/*
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* insert on front of list.
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@ -575,13 +604,15 @@ void insert_counters(struct counters **list,
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while (prev->next && (prev->next->pkg < new->pkg)) {
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prev = prev->next;
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show_pkg = 1; /* there is more than 1 package */
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if (!summary_only)
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show_pkg = 1; /* there is more than 1 package */
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}
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while (prev->next && (prev->next->pkg == new->pkg)
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&& (prev->next->core < new->core)) {
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prev = prev->next;
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show_core = 1; /* there is more than 1 core */
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if (!summary_only)
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show_core = 1; /* there is more than 1 core */
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}
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while (prev->next && (prev->next->pkg == new->pkg)
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@ -1005,8 +1036,11 @@ void cmdline(int argc, char **argv)
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progname = argv[0];
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while ((opt = getopt(argc, argv, "+vi:M:")) != -1) {
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while ((opt = getopt(argc, argv, "+svi:M:")) != -1) {
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switch (opt) {
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case 's':
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summary_only++;
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break;
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case 'v':
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verbose++;
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break;
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