[RFC PATCH v2 1/4] rtla/osnoise: Add IPI tracking cmdline option
From: Valentin Schneider <vschneid@redhat.com>
Date: 2026-06-17 13:18:28
Also in:
lkml
Subsystem:
documentation, real-time linux analysis (rtla) tools, the rest · Maintainers:
Jonathan Corbet, Steven Rostedt, Tomas Glozar, Linus Torvalds
Later commits will add IPI tracking to osnoise top. To avoid breaking existing scripts, this new feature will be gated behind a new -i option. Suggested-by: Tomas Glozar <tglozar@redhat.com> Signed-off-by: Valentin Schneider <vschneid@redhat.com> --- Documentation/tools/rtla/rtla-osnoise-top.rst | 4 ++++ tools/tracing/rtla/src/cli.c | 1 + tools/tracing/rtla/src/cli_p.h | 3 +++ tools/tracing/rtla/src/common.h | 1 + 4 files changed, 9 insertions(+)
diff --git a/Documentation/tools/rtla/rtla-osnoise-top.rst b/Documentation/tools/rtla/rtla-osnoise-top.rst
index b91c02ac2bbe1..98f77f8971a69 100644
--- a/Documentation/tools/rtla/rtla-osnoise-top.rst
+++ b/Documentation/tools/rtla/rtla-osnoise-top.rst@@ -28,6 +28,10 @@ OPTIONS ======= .. include:: common_osnoise_options.txt +**-i**, **--ipi** + + Track sources of IPIs. + .. include:: common_top_options.txt .. include:: common_options.txt
diff --git a/tools/tracing/rtla/src/cli.c b/tools/tracing/rtla/src/cli.c
index c5279c9875310..eb1e76a6b0dea 100644
--- a/tools/tracing/rtla/src/cli.c
+++ b/tools/tracing/rtla/src/cli.c@@ -78,6 +78,7 @@ struct common_params *osnoise_top_parse_args(int argc, char **argv) RTLA_OPT_STOP_TOTAL('S', "stop-total", "total sample"), OSNOISE_OPT_THRESHOLD, RTLA_OPT_TRACE_OUTPUT("osnoise", opt_osnoise_trace_output_cb), + OSNOISE_OPT_IPI, OPT_GROUP("Event Configuration:"), RTLA_OPT_EVENT,
diff --git a/tools/tracing/rtla/src/cli_p.h b/tools/tracing/rtla/src/cli_p.h
index 3c939de9abf02..7d3f982cfabdb 100644
--- a/tools/tracing/rtla/src/cli_p.h
+++ b/tools/tracing/rtla/src/cli_p.h@@ -305,6 +305,9 @@ static int opt_filter_cb(const struct option *opt, const char *arg, int unset) "the minimum delta to be considered a noise", \ opt_llong_callback) +#define OSNOISE_OPT_IPI OPT_BOOLEAN('i', "ipi", ¶ms->common.ipi, \ + "track sources of IPIs") + /* * Callback functions for command line options for osnoise tools */
diff --git a/tools/tracing/rtla/src/common.h b/tools/tracing/rtla/src/common.h
index 04b287a03f6d4..045253230fcf2 100644
--- a/tools/tracing/rtla/src/common.h
+++ b/tools/tracing/rtla/src/common.h@@ -108,6 +108,7 @@ struct common_params { bool kernel_workload; bool user_data; bool aa_only; + bool ipi; struct actions threshold_actions; struct actions end_actions;
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2.54.0