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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 17:00:33 +0000 |
| commit | 3d14b5beba35250c548d3851a2b84fce742d8311 (patch) | |
| tree | 065e3d93c3fcbc5ee4c44fa78662393cddbdf6de /tools/perf/Documentation/perf-record.txt | |
| parent | Merge branch 'devel-stable' into devel (diff) | |
| parent | Fix soc_common PCMCIA configuration (diff) | |
| download | linux-dev-3d14b5beba35250c548d3851a2b84fce742d8311.tar.xz linux-dev-3d14b5beba35250c548d3851a2b84fce742d8311.zip | |
Merge branch 'sa1100' into devel
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 0ff23de9e453..fc46c0b40f6e 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -26,11 +26,19 @@ OPTIONS -e:: --event=:: - Select the PMU event. Selection can be a symbolic event name - (use 'perf list' to list all events) or a raw PMU - event (eventsel+umask) in the form of rNNN where NNN is a - hexadecimal event descriptor. + Select the PMU event. Selection can be: + - a symbolic event name (use 'perf list' to list all events) + + - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a + hexadecimal event descriptor. + + - a hardware breakpoint event in the form of '\mem:addr[:access]' + where addr is the address in memory you want to break in. + Access is the memory access type (read, write, execute) it can + be passed as follows: '\mem:addr[:[r][w][x]]'. + If you want to profile read-write accesses in 0x1000, just set + 'mem:0x1000:rw'. -a:: System-wide collection. |