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SUSE:SLE-15-SP3:Update
perf
perf-top-support-group-sort-idx-to-change-the-s...
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File perf-top-support-group-sort-idx-to-change-the-sort-order.patch of Package perf
From: Jin Yao <yao.jin@linux.intel.com> Date: Wed, 25 Mar 2020 06:07:10 +0800 Subject: perf top: Support --group-sort-idx to change the sort order Git-commit: df7deb2cceef0546ab2115702da3421b7c61a8c0 Patch-mainline: v5.7-rc1 References: jsc#SLE-12726 X-Info: adjust for context, no f382842fa0244ae1e2c28c8377732c85ec1fe7a9 X-Info: adjust for context, no 2f53ae347f597842683c4bde5b9ce76f5efae247 'perf report' supports the option --group-sort-idx, which sorts the output by the event at the index n in event group. For example: perf record -e cycles,instructions,cache-misses perf report --group --group-sort-idx 2 --stdio The perf-report output is sorted by cache-misses. This patch supports --group-sort-idx in perf-top. For example: perf top --group -e cycles,instructions,cache-misses --group-sort-idx 2 The perf-top output is sorted by cache-misses. Signed-off-by: Jin Yao <yao.jin@linux.intel.com> Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200324220711.6025-1-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Tony Jones <tonyj@suse.de> --- tools/perf/Documentation/perf-top.txt | 5 +++++ tools/perf/builtin-top.c | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index ddab103af8c7..487737a725e9 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -53,6 +53,11 @@ Default is to monitor all CPUS. --group:: Put the counters into a counter group. +--group-sort-idx:: + Sort the output by the event at the index n in group. If n is invalid, + sort by the first event. It can support multiple groups with different + amount of events. WARNING: This should be used on grouped events. + -F <freq>:: --freq=<freq>:: Profile at this frequency. Use 'max' to use the currently maximum diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 02ea2cf2a3d9..9ff7943d2014 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1510,6 +1510,10 @@ "number of thread to run event synthesize"), OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces, "Record namespaces events"), + OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx, + "Sort the output by the event at the index n in group. " + "If n is invalid, sort by the first event. " + "WARNING: should be used on grouped events."), OPT_END() }; struct evlist *sb_evlist = NULL;
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