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tools/power turbostat: version 2025.09.09

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Probe and display L3 Cache topology
 Add ability to average an added counter
 	(useful for pre-integrated "counters", such as Watts)
 Break the limit of 64 built-in counters.
 Assorted bug fixes and minor feature tweaks
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Merge tag 'turbostat-2025.09.09' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux

Pull turbostat updates from Len Brown:
 "tools/power turbostat: version 2025.09.09

   - Probe and display L3 Cache topology

   - Add ability to average an added counter (useful for pre-integrated
     "counters", such as Watts)

   - Break the limit of 64 built-in counters

   - Assorted bug fixes and minor feature tweaks"

* tag 'turbostat-2025.09.09' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: version 2025.09.09
  tools/power turbostat: Handle non-root legacy-uncore sysfs permissions
  tools/power turbostat: standardize PER_THREAD_PARAMS
  tools/power turbostat: Fix DMR support
  tools/power turbostat: add format "average" for external attributes
  tools/power turbostat: delete GET_PKG()
  tools/power turbostat: probe and display L3 cache topology
  tools/power turbostat: Support more than 64 built-in-counters
  tools/power turbostat.8: Document Totl%C0, Any%C0, GFX%C0, CPUGFX% columns
  tools/power turbostat: Fix bogus SysWatt for forked program
  tools/power turbostat: Handle cap_get_proc() ENOSYS
  tools/power turbostat: Fix build with musl
  tools/power turbostat: verify arguments to params --show and --hide
  tools/power turbostat: regression fix: --show C1E%
This commit is contained in:
Linus Torvalds 2025-08-10 09:02:36 +03:00
commit 2b38afce25
2 changed files with 550 additions and 221 deletions
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11
tools/power/x86/turbostat/turbostat.8
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@ -47,10 +47,11 @@ name as necessary to disambiguate it from others is necessary. Note that option
MSRs are read as 64-bits, u32 truncates the displayed value to 32-bits.
default: u64
format: {\fBraw\fP | \fBdelta\fP | \fBpercent\fP}
format: {\fBraw\fP | \fBdelta\fP | \fBpercent\fP | \fBaverage\fP}
'raw' shows the MSR contents in hex.
'delta' shows the difference in values during the measurement interval.
'percent' shows the delta as a percentage of the cycles elapsed.
'average' similar to raw, but also averaged for node/package summaries (or when using -S).
default: delta
name: "name_string"
@ -186,6 +187,14 @@ The system configuration dump (if --quiet is not used) is followed by statistics
.PP
\fBSAMAMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/drm/card0/gt/gt1/rps_act_freq_mhz or /sys/class/drm/card0/device/tile0/gtN/freq0/act_freq depending on the graphics driver being used.
.PP
\fBTotl%C0\fP Weighted percentage of time that CPUs are busy. If N CPUs are busy during an interval, the percentage is N * 100%.
.PP
\fBAny%C0\fP Percentage of time that at least one CPU is busy.
.PP
\fBGFX%C0\fP Percentage of time that at least one GFX compute engine is busy.
.PP
\fBCPUGFX%\fP Percentage of time that at least one CPU is busy at the same time as at least one Graphics compute enginer is busy.
.PP
\fBPkg%pc2, Pkg%pc3, Pkg%pc6, Pkg%pc7\fP percentage residency in hardware package idle states. These numbers are from hardware residency counters.
.PP
\fBPkgWatt\fP Watts consumed by the whole package.

738
tools/power/x86/turbostat/turbostat.c
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