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authorAlexey Budankov <[email protected]>2018-10-09 17:36:24 +0300
committerArnaldo Carvalho de Melo <[email protected]>2018-10-18 11:16:38 -0300
commitcf7905165fee15fe26ac4a91ee0a35b966249430 (patch)
treead9560109e3f50b594382359baaae3ae6d9c1cdd /tools/perf/scripts/python/bin/export-to-postgresql-report
parentce6c9da1113ad681bff27a3e376d2017f7f8a59c (diff)
perf record: Encode -k clockid frequency into Perf trace
Store -k clockid frequency into Perf trace to enable timestamps derived metrics conversion into wall clock time on reporting stage. Below is the example of perf report output: tools/perf/perf record -k raw -- ../../matrix/linux/matrix.gcc ... [ perf record: Captured and wrote 31.222 MB perf.data (818054 samples) ] tools/perf/perf report --header # ======== ... # event : name = cycles:ppp, , size = 112, { sample_period, sample_freq } = 4000, sample_type = IP|TID|TIME|PERIOD, disabled = 1, inherit = 1, mmap = 1, comm = 1, freq = 1, enable_on_exec = 1, task = 1, precise_ip = 3, sample_id_all = 1, exclude_guest = 1, mmap2 = 1, comm_exec = 1, use_clockid = 1, clockid = 4 ... # clockid frequency: 1000 MHz ... # ======== Signed-off-by: Alexey Budankov <[email protected]> Cc: Alexander Shishkin <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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