3fa1ae0068
Tracing is a development feature for debugging, profiling, and observing
QEMU execution. It does not make sense to enable it by default, so add a
config to enable the "log" tracing backend (the default one). Options to
select other backends may be added in the future.
Also pull a patch already reviewed upstream to install the trace events
file only if necessary:
https://patchwork.kernel.org/project/qemu-devel/patch/20230408010410.281263-1-casantos@redhat.com/
Signed-off-by: Carlos Santos <unixmania@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
From 5c43da1e4983cc3c209b325a5228b6149e0a0ccf Mon Sep 17 00:00:00 2001
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From: Carlos Santos <casantos@redhat.com>
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Date: Fri, 24 Mar 2023 21:40:22 -0300
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Subject: [PATCH] tracing: install trace events file only if necessary
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It is not useful when configuring with --enable-trace-backends=nop.
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Upstream: https://patchwork.kernel.org/project/qemu-devel/patch/20230408010410.281263-1-casantos@redhat.com/
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Signed-off-by: Carlos Santos <casantos@redhat.com>
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Signed-off-by: Carlos Santos <unixmania@gmail.com>
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---
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trace/meson.build | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/trace/meson.build b/trace/meson.build
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index 8e80be895c..30b1d942eb 100644
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--- a/trace/meson.build
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+++ b/trace/meson.build
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@@ -64,7 +64,7 @@ trace_events_all = custom_target('trace-events-all',
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input: trace_events_files,
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command: [ 'cat', '@INPUT@' ],
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capture: true,
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- install: true,
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+ install: get_option('trace_backends') != [ 'nop' ],
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install_dir: qemu_datadir)
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if 'ust' in get_option('trace_backends')
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--
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2.31.1
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