diff options
author | Mathieu Poirier <mathieu.poirier@linaro.org> | 2019-04-25 22:53:01 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-04-25 23:00:17 +0300 |
commit | a0f08a6a9fee0ce3f2d36e3e30799e4c1ec171f4 (patch) | |
tree | 2857a8f2ca1f542ec1cc4b3453f9fb0a39025557 /drivers/hwtracing/coresight/coresight-tmc-etf.c | |
parent | f5200aa9831f38271c8104565fdcae4401658475 (diff) | |
download | linux-a0f08a6a9fee0ce3f2d36e3e30799e4c1ec171f4.tar.xz |
coresight: Communicate perf event to sink buffer allocation functions
Make struct perf_event available to sink buffer allocation functions in
order to use the pid they carry to allocate and free buffer memory along
with regimenting access to what source a sink can collect data for.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc-etf.c')
-rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc-etf.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c index a38ad2b0d95a..1df1f8fade71 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etf.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c @@ -350,10 +350,11 @@ static void tmc_disable_etf_link(struct coresight_device *csdev, dev_dbg(drvdata->dev, "TMC-ETF disabled\n"); } -static void *tmc_alloc_etf_buffer(struct coresight_device *csdev, int cpu, - void **pages, int nr_pages, bool overwrite) +static void *tmc_alloc_etf_buffer(struct coresight_device *csdev, + struct perf_event *event, void **pages, + int nr_pages, bool overwrite) { - int node; + int node, cpu = event->cpu; struct cs_buffers *buf; if (cpu == -1) |