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authorArnaldo Carvalho de Melo <acme@redhat.com>2012-01-19 14:08:15 -0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-01-24 19:47:37 -0200
commit0d37aa34f8806bb443dd3c8621fd9bdbb50c58bb (patch)
tree3e245385cdb75fec299f5e145243f062b70fd652 /tools/perf/Documentation/perf-top.txt
parentperf tools: Add fprintf methods for thread_map and cpu_map classes (diff)
downloadlinux-dev-0d37aa34f8806bb443dd3c8621fd9bdbb50c58bb.tar.xz
linux-dev-0d37aa34f8806bb443dd3c8621fd9bdbb50c58bb.zip
perf tools: Introduce per user view
The new --uid command line option will show only the tasks for a given user, using the proc interface to figure out the existing tasks. Kernel work is needed to close races at startup, but this should already be useful in many use cases. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-bdnspm000gw2l984a2t53o8z@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-top.txt')
-rw-r--r--tools/perf/Documentation/perf-top.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
index b1a5bbbfebef..ab1454ed450f 100644
--- a/tools/perf/Documentation/perf-top.txt
+++ b/tools/perf/Documentation/perf-top.txt
@@ -78,6 +78,10 @@ Default is to monitor all CPUS.
--tid=<tid>::
Profile events on existing thread ID.
+-u::
+--uid=::
+ Record events in threads owned by uid. Name or number.
+
-r <priority>::
--realtime=<priority>::
Collect data with this RT SCHED_FIFO priority.