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Message-Id: <20230103103400.275566-3-br015@umbiko.net>
Date:   Tue,  3 Jan 2023 11:34:00 +0100
From:   Andreas Ziegler <br015@...iko.net>
To:     Daniel Bristot de Oliveira <bristot@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-trace-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andreas Ziegler <br015@...iko.net>
Subject: [PATCH 2/2 v2] tools/tracing/rtla: osnoise_hist: display average with two-digit precision

Calculate average value in osnoise-hist summary with two-digit 
precision to avoid displaying too optimitic results. 

Signed-off-by: Andreas Ziegler <br015@...iko.net>
---
Changes v1 -> v2:
 - output with two-digit precision instead of rounding (Daniel)

 tools/tracing/rtla/src/osnoise_hist.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/tracing/rtla/src/osnoise_hist.c b/tools/tracing/rtla/src/osnoise_hist.c
index fe34452fc4ec..13e1233690bb 100644
--- a/tools/tracing/rtla/src/osnoise_hist.c
+++ b/tools/tracing/rtla/src/osnoise_hist.c
@@ -335,8 +335,8 @@ osnoise_print_summary(struct osnoise_hist_params *params,
 			continue;
 
 		if (data->hist[cpu].count)
-			trace_seq_printf(trace->seq, "%9llu ",
-					data->hist[cpu].sum_sample / data->hist[cpu].count);
+			trace_seq_printf(trace->seq, "%9.2f ",
+				((double) data->hist[cpu].sum_sample) / data->hist[cpu].count);
 		else
 			trace_seq_printf(trace->seq, "        - ");
 	}
-- 
2.34.1

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