perf top: Add --namespaces option
Since 'perf record' already have this option, let's have it for 'perf top' as well. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Hari Bathini <hbathini@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Krister Johansen <kjlx@templeofstupid.com> Link: http://lkml.kernel.org/r/20190522053250.207156-4-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -262,6 +262,11 @@ Default is to monitor all CPUS.
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The number of threads to run when synthesizing events for existing processes.
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The number of threads to run when synthesizing events for existing processes.
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By default, the number of threads equals to the number of online CPUs.
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By default, the number of threads equals to the number of online CPUs.
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--namespaces::
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Record events of type PERF_RECORD_NAMESPACES and display it with the
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'cgroup_id' sort key.
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INTERACTIVE PROMPTING KEYS
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INTERACTIVE PROMPTING KEYS
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--------------------------
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--------------------------
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@ -1208,6 +1208,9 @@ static int __cmd_top(struct perf_top *top)
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init_process_thread(top);
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init_process_thread(top);
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if (opts->record_namespaces)
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top->tool.namespace_events = true;
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ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,
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ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,
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&top->session->machines.host,
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&top->session->machines.host,
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&top->record_opts);
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&top->record_opts);
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@ -1500,6 +1503,8 @@ int cmd_top(int argc, const char **argv)
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OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),
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OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),
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OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,
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OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,
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"number of thread to run event synthesize"),
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"number of thread to run event synthesize"),
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OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,
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"Record namespaces events"),
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OPT_END()
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OPT_END()
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};
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};
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struct perf_evlist *sb_evlist = NULL;
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struct perf_evlist *sb_evlist = NULL;
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