Commit a0c0a4ac authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
Browse files

perf top: Add --namespaces option 



Since 'perf record' already have this option, let's have it for 'perf top'
as well.

Signed-off-by: default avatarNamhyung 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent a9a187a7

tools/perf/Documentation/perf-top.txt

+5 −0
Original line number Diff line number Diff line
@@ -262,6 +262,11 @@ Default is to monitor all CPUS. 
	The number of threads to run when synthesizing events for existing processes.

	By default, the number of threads equals to the number of online CPUs.



--namespaces::

	Record events of type PERF_RECORD_NAMESPACES and display it with the

	'cgroup_id' sort key.





INTERACTIVE PROMPTING KEYS

--------------------------

tools/perf/builtin-top.c

+5 −0
Original line number Diff line number Diff line
@@ -1208,6 +1208,9 @@ static int __cmd_top(struct perf_top *top) 


	init_process_thread(top);



	if (opts->record_namespaces)

		top->tool.namespace_events = true;



	ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,

						&top->session->machines.host,

						&top->record_opts);
@@ -1500,6 +1503,8 @@ int cmd_top(int argc, const char **argv) 
	OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),

	OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,

			"number of thread to run event synthesize"),

	OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,

		    "Record namespaces events"),

	OPT_END()

	};

	struct perf_evlist *sb_evlist = NULL;

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