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author | Charles Baylis <charles.baylis@linaro.org> | 2017-12-15 16:39:52 +0000 |
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committer | Charles Baylis <charles.baylis@linaro.org> | 2017-12-15 16:39:52 +0000 |
commit | 16bf03793bd28d61e6dac97379ac7df1a7afce55 (patch) | |
tree | 115bc670ed6d6484352bc4b04100355b6586c238 | |
parent | e2c016e58be8cf4265e2df92a9c3e966913ab17c (diff) |
Change-Id: Ica673264bc1573f85933da9299430ef85b4f1f81
-rw-r--r-- | README | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -33,4 +33,15 @@ Command line interface --perf <path> [default: perf] * name of perf binary to use for analysing perf.data file +Interpreting output +=================== +Each column shows the activity on a particular CPU. Each row represents +the behaviour of the system for a slice of time while the profile data +was collected. + +If a thread is selected in the top menu, then all cells in the matrix where +that thread used CPU are highlighted. + +When the mouse pointer hovers over a cell in the matrix a profile is displayed +showing which symbols were consuming CPU time on that CPU in that time slice. |