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| author |   Daniel Bristot de Oliveira <bristot@kernel.org> | 2022-03-02 20:01:26 +0100 |
|---|---|---|
| committer |   Steven Rostedt (Google) <rostedt@goodmis.org> | 2022-03-15 14:36:48 -0400 |
| commit | 61c57d578bd7ca2aff3652ed62d95e3f8fc6d16e (patch) | |
| tree | 58bfb09db51fd6c842a50582e44f75f9d895ae9d /tools/tracing/rtla/src/osnoise.h | |
| parent | ftrace: Fix some W=1 warnings in kernel doc comments (diff) | |
| download | wireguard-linux-61c57d578bd7ca2aff3652ed62d95e3f8fc6d16e.tar.xz wireguard-linux-61c57d578bd7ca2aff3652ed62d95e3f8fc6d16e.zip | |
rtla/osnoise: Add support to adjust the tracing_thresh
osnoise uses the tracing_thresh parameter to define the delta between
two reads of the time to be considered a noise.
Add support to get and set the tracing_thresh from osnoise tools.
Link: https://lkml.kernel.org/r/715ad2a53fd40e41bab8c3f1214c1a94e12fb595.1646247211.git.bristot@kernel.org
Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Clark Williams <williams@redhat.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/tracing/rtla/src/osnoise.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/tracing/rtla/src/osnoise.h b/tools/tracing/rtla/src/osnoise.h index 9e4b2e2a4559..04a4384cc544 100644 --- a/tools/tracing/rtla/src/osnoise.h +++ b/tools/tracing/rtla/src/osnoise.h @@ -23,6 +23,10 @@ struct osnoise_context { long long orig_timerlat_period_us; long long timerlat_period_us; + /* 0 as init value */ + long long orig_tracing_thresh; + long long tracing_thresh; + /* -1 as init value because 0 is disabled */ long long orig_stop_us; long long stop_us; @@ -67,6 +71,10 @@ int osnoise_set_timerlat_period_us(struct osnoise_context *context, long long timerlat_period_us); void osnoise_restore_timerlat_period_us(struct osnoise_context *context); +int osnoise_set_tracing_thresh(struct osnoise_context *context, + long long tracing_thresh); +void osnoise_restore_tracing_thresh(struct osnoise_context *context); + void osnoise_restore_print_stack(struct osnoise_context *context); int osnoise_set_print_stack(struct osnoise_context *context, long long print_stack); |