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-rw-r--r--tools/perf/Documentation/tips.txt15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/Documentation/tips.txt b/tools/perf/Documentation/tips.txt
index a1c10e360db5..e0ce9573b79b 100644
--- a/tools/perf/Documentation/tips.txt
+++ b/tools/perf/Documentation/tips.txt
@@ -12,3 +12,18 @@ List events using substring match: perf list <keyword>
12To see list of saved events and attributes: perf evlist -v 12To see list of saved events and attributes: perf evlist -v
13Use --symfs <dir> if your symbol files are in non-standard locations 13Use --symfs <dir> if your symbol files are in non-standard locations
14To see callchains in a more compact form: perf report -g folded 14To see callchains in a more compact form: perf report -g folded
15Show individual samples with: perf script
16Limit to show entries above 5% only: perf report --percent-limit 5
17Profiling branch (mis)predictions with: perf record -b / perf report
18Treat branches as callchains: perf report --branch-history
19To count events in every 1000 msec: perf stat -I 1000
20Print event counts in CSV format with: perf stat -x,
21If you have debuginfo enabled, try: perf report -s sym,srcline
22For memory address profiling, try: perf mem record / perf mem report
23For tracepoint events, try: perf report -s trace_fields
24To record callchains for each sample: perf record -g
25To record every process run by an user: perf record -u <user>
26Skip collecing build-id when recording: perf record -B
27To change sampling frequency to 100 Hz: perf record -F 100
28See assembly instructions with percentage: perf annotate <symbol>
29If you prefer Intel style assembly, try: perf annotate -M intel