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| author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-20 13:17:57 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 20:09:18 +0200 |
| commit | 22f429f19c4135d51e9dcaf360c0920e32aac7f9 (patch) | |
| tree | 4bb516c8eac07d97de19fd1825f2c2c16689ba2c /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | coresight: perf: Remove set_buffer call back (diff) | |
| download | linux-22f429f19c4135d51e9dcaf360c0920e32aac7f9.tar.gz linux-22f429f19c4135d51e9dcaf360c0920e32aac7f9.zip | |
coresight: etm-perf: Add support for ETR backend
Add support for using TMC-ETR as backend for ETM perf tracing.
We use software double buffering at the moment. i.e, the TMC-ETR
uses a separate buffer than the perf ring buffer. The data is
copied to the perf ring buffer once a session completes.
The TMC-ETR would try to match the larger of perf ring buffer
or the ETR buffer size configured via sysfs, scaling down to
a minimum limit of 1MB.
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions