From: Valentin Schneider <vschneid@redhat.com>
To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Cc: Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Tomas Glozar <tglozar@redhat.com>,
Costa Shulyupin <costa.shul@redhat.com>,
Crystal Wood <crwood@redhat.com>,
Ivan Pravdin <ipravdin.official@gmail.com>
Subject: [RFC PATCH 2/2] rtla/osnoise: Report IPI count in osnoise top
Date: Wed, 10 Jun 2026 15:04:52 +0200 [thread overview]
Message-ID: <20260610130457.1304245-3-vschneid@redhat.com> (raw)
In-Reply-To: <20260610130457.1304245-1-vschneid@redhat.com>
The osnoise tracer now also reports IPI count, extract & report them.
Signed-off-by: Valentin Schneider <vschneid@redhat.com>
---
tools/tracing/rtla/src/osnoise_top.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index e65312ec26c43..6fd5353c82f38 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -25,6 +25,7 @@ struct osnoise_top_cpu {
unsigned long long irq_count;
unsigned long long softirq_count;
unsigned long long thread_count;
+ unsigned long long ipi_count;
int sum_cycles;
};
@@ -116,6 +117,9 @@ osnoise_top_handler(struct trace_seq *s, struct tep_record *record,
tep_get_field_val(s, event, "thread_count", record, &val, 1);
update_sum(&cpu_data->thread_count, &val);
+ tep_get_field_val(s, event, "ipi_count", record, &val, 1);
+ update_sum(&cpu_data->ipi_count, &val);
+
return 0;
}
@@ -163,7 +167,7 @@ static void osnoise_top_header(struct osnoise_tool *top)
if (params->mode == MODE_HWNOISE)
goto eol;
- trace_seq_printf(s, " IRQ Softirq Thread");
+ trace_seq_printf(s, " IRQ Softirq Thread IPI");
eol:
if (pretty)
@@ -218,7 +222,8 @@ static void osnoise_top_print(struct osnoise_tool *tool, int cpu)
trace_seq_printf(s, "%12llu ", cpu_data->irq_count);
trace_seq_printf(s, "%12llu ", cpu_data->softirq_count);
- trace_seq_printf(s, "%12llu\n", cpu_data->thread_count);
+ trace_seq_printf(s, "%12llu ", cpu_data->thread_count);
+ trace_seq_printf(s, "%12llu\n", cpu_data->ipi_count);
}
/*
--
2.54.0
prev parent reply other threads:[~2026-06-10 13:05 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-10 13:04 [RFC PATCH 0/2] tracing/osnoise: Track IPIs Valentin Schneider
2026-06-10 13:04 ` [RFC PATCH 1/2] tracing/osnoise: Sample IPI counts Valentin Schneider
2026-06-10 19:51 ` Crystal Wood
2026-06-11 8:59 ` Tomas Glozar
2026-06-11 10:30 ` Valentin Schneider
2026-06-11 11:55 ` Tomas Glozar
2026-06-12 8:53 ` Valentin Schneider
2026-06-11 20:49 ` Crystal Wood
2026-06-11 10:21 ` Valentin Schneider
2026-06-10 13:04 ` Valentin Schneider [this message]
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