perf: add page (tldr-pages#1556)

ffantl · Oct 20, 2017 · 209fcda · 209fcda
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+# perf
+
+> Framework for linux performance counter measurements.
+
+- Gather basic performance counter stats for a command:
+
+`perf stat {{command}}`
+
+- Display system-wide real time performance counter profile:
+
+`sudo perf top`
+
+- Run a command and record its profile into perf.data:
+
+`sudo perf record {{command}}`
+
+- Read perf.data (created by perf record) and display the profile:
+
+`sudo perf report`