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| author | Lluís | 2011-08-31 20:31:51 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi | 2011-09-01 11:34:54 +0200 |
| commit | 9a82b6a590bd7c845ab9754b34b33ffee982ccb2 (patch) | |
| tree | c23b7078b7db55c798577eb28f281873a5d2062c /docs | |
| parent | trace: [simple] disable all trace points by default (diff) | |
| download | qemu-9a82b6a590bd7c845ab9754b34b33ffee982ccb2.tar.gz qemu-9a82b6a590bd7c845ab9754b34b33ffee982ccb2.tar.xz qemu-9a82b6a590bd7c845ab9754b34b33ffee982ccb2.zip | |
trace: [stderr] add support for dynamically enabling/disabling events
Uses the generic interface provided in "trace/control.h" in order to provide
a programmatic interface as well as command line and monitor controls.
Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/tracing.txt | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/docs/tracing.txt b/docs/tracing.txt index d1d4e8cba2..4b27ab0c2a 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -178,11 +178,6 @@ effectively turns trace events into debug printfs. This is the simplest backend and can be used together with existing code that uses DPRINTF(). -Note that with this backend trace events cannot be programmatically -enabled/disabled. Thus, in order to trim down the amount of output and the -performance impact of tracing, you might want to add the "disable" property in -the "trace-events" file for those events you are not interested in. - === Simpletrace === The "simple" backend supports common use cases and comes as part of the QEMU |