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root / trace @ 814589c4

Name Size
control.c 1.3 kB
control.h 1.2 kB
default.c 1.2 kB
simple.c 12.4 kB
simple.h 1.5 kB
stderr.c 1.3 kB
stderr.h 182 Bytes

Latest revisions

# Date Author Comment
62bab732 07/19/2012 01:34 pm Harsh Prateek Bora

Simpletrace v2: Support multiple arguments, strings.

Existing simpletrace backend allows to trace at max 6 args and does not
support strings. This newer tracelog format gets rid of fixed size records
and therefore allows to trace variable number of args including strings....
88affa1c 07/19/2012 01:34 pm Harsh Prateek Bora

monitor: remove unused do_info_trace

Going forward with simpletrace v2 variable size trace records, we cannot
have a generic function to print trace event info and therefore this
interface becomes invalid.

As per Stefan Hajnoczi:

"This command is only available from the human monitor. It's not very...
794b1f96 07/19/2012 01:30 pm Alexey Kardashevskiy

trace: added ability to comment out events in the list

It is convenient for debug to be able to switch on/off some events easily.
The only possibility now is to remove event name from the file completely
and type it again when we want it back.

The patch adds '#' symbol handling as a comment specifier....
0d665005 06/08/2012 11:32 am Harsh Prateek Bora

trace/simple.c: fix deprecated glib2 interface

Signed-off-by: Harsh Prateek Bora <>
Signed-off-by: Stefan Hajnoczi <>
db3bf869 03/12/2012 12:12 pm Jun Koi

trace: make trace_thread_create() use its function arg

This patch makes trace_thread_create() to use its function arg to
initialize thread. The other choice is to make this a function to use
void arg, but i prefer this way.

Signed-off-by: Jun Koi <>...
42ed3727 12/20/2011 11:44 pm Alon Levy

g_thread_init users: don't call it if glib >= 2.31

since commit f9b29ca03 included in release 2.31 (docs below say 2.32 but
that is not correct) and onwards g_thread_init is deprecated and calling
it is not required:

http://developer.gnome.org/glib/unstable/glib-Deprecated-Thread-APIs.html#g-thread-init...
454e202d 11/01/2011 04:12 pm Mark Wu

trace: Add wildcard trace event support

A basic wildcard matching is supported in both the monitor command
"trace-event" and the events list file. That means you can enable/disable
the events having a common prefix in a batch. For example, virtio-blk trace...
6c2a4074 09/21/2011 01:30 pm Stefan Hajnoczi

trace: use binary file open mode in simpletrace

For Windows portability the simple trace backend must use the 'b' file
open mode. This prevents the stdio library from mangling 0x0a/0x0d
newline characters.

Signed-off-by: Stefan Hajnoczi <>
85aff158 09/21/2011 01:30 pm Stefan Hajnoczi

trace: portable simple trace backend using glib

Convert the simple trace backend to glib so that it works under Windows.
We cannot use pthread directly but glib provides portable abstractions.
Also use glib atomics instead of newish gcc builtins which may not be...
9a82b6a5 09/01/2011 12:34 pm Lluís

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 <>...

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