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6fe61cb4ae
Rename 'Switches' to 'Count' and document metrics shown for perf
sched latency output. Also add options possible with perf sched
latency.
Initially, after seeing the output of 'perf sched latency', the term
'Switches' seemed like it's the number of context switches-in for a
particular task, but upon going through the code, it was observed that
it's actually keeping track of number of times a delay was calculated so
that it is used in calculation of the average delay.
Actually, the switches here is a subset of number of context switches-in
because there are some cases where the count is not incremented in
switch-in handler 'add_sched_in_event'. For example when a task is
switched-in while it's state is not ready to run(!= THREAD_WAIT_CPU).
commit
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.. | ||
android.txt | ||
arm-coresight.txt | ||
asciidoc.conf | ||
asciidoctor-extensions.rb | ||
build-docdep.perl | ||
build-xed.txt | ||
Build.txt | ||
callchain-overhead-calculation.txt | ||
cat-texi.perl | ||
db-export.txt | ||
examples.txt | ||
guest-files.txt | ||
guestmount.txt | ||
intel-bts.txt | ||
intel-hybrid.txt | ||
intel-pt.txt | ||
itrace.txt | ||
jit-interface.txt | ||
jitdump-specification.txt | ||
Makefile | ||
manpage-1.72.xsl | ||
manpage-base.xsl | ||
manpage-bold-literal.xsl | ||
manpage-normal.xsl | ||
manpage-suppress-sp.xsl | ||
perf-annotate.txt | ||
perf-archive.txt | ||
perf-arm-spe.txt | ||
perf-bench.txt | ||
perf-buildid-cache.txt | ||
perf-buildid-list.txt | ||
perf-c2c.txt | ||
perf-config.txt | ||
perf-daemon.txt | ||
perf-data.txt | ||
perf-diff.txt | ||
perf-dlfilter.txt | ||
perf-evlist.txt | ||
perf-ftrace.txt | ||
perf-help.txt | ||
perf-inject.txt | ||
perf-intel-pt.txt | ||
perf-iostat.txt | ||
perf-kallsyms.txt | ||
perf-kmem.txt | ||
perf-kvm.txt | ||
perf-kwork.txt | ||
perf-list.txt | ||
perf-lock.txt | ||
perf-mem.txt | ||
perf-probe.txt | ||
perf-record.txt | ||
perf-report.txt | ||
perf-sched.txt | ||
perf-script-perl.txt | ||
perf-script-python.txt | ||
perf-script.txt | ||
perf-stat.txt | ||
perf-test.txt | ||
perf-timechart.txt | ||
perf-top.txt | ||
perf-trace.txt | ||
perf-version.txt | ||
perf.data-directory-format.txt | ||
perf.data-file-format.txt | ||
perf.txt | ||
perfconfig.example | ||
security.txt | ||
tips.txt | ||
topdown.txt |