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authorPeter Maydell <peter.maydell@linaro.org>2018-02-13 14:00:29 +0000
committerStefan Hajnoczi <stefanha@redhat.com>2018-03-12 11:10:20 +0000
commitbe0aa7ac8990c7d62f2d41a66e8c50784e7ee9ac (patch)
tree2243dd261d3ab1c0b3232cec9a7c983c925fd795 /scripts/tracetool
parente4ae62b802cec437f877f2cadc4ef059cc0eca76 (diff)
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log-for-trace.h: Split out parts of log.h used by trace.h
A persistent build problem we see is where a source file accidentally omits the #include of log.h. This slips through local developer testing because if you configure with the default (log) trace backend trace.h will pull in log.h for you. Compilation fails only if some other backend is selected. To make this error cause a compile failure regardless of the configured trace backend, split out the parts of log.h that trace.h requires into a new log-for-trace.h header. Since almost all manual uses of the log.h functions will use constants or functions which aren't in log-for-trace.h, this will let us catch missing #include "qemu/log.h" more consistently. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20180213140029.8308-1-peter.maydell@linaro.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/tracetool')
-rw-r--r--scripts/tracetool/backend/log.py13
1 files changed, 6 insertions, 7 deletions
diff --git a/scripts/tracetool/backend/log.py b/scripts/tracetool/backend/log.py
index da86f6b..78933d0 100644
--- a/scripts/tracetool/backend/log.py
+++ b/scripts/tracetool/backend/log.py
@@ -20,7 +20,7 @@ PUBLIC = True
def generate_h_begin(events, group):
- out('#include "qemu/log.h"',
+ out('#include "qemu/log-for-trace.h"',
'')
@@ -35,14 +35,13 @@ def generate_h(event, group):
else:
cond = "trace_event_get_state(%s)" % ("TRACE_" + event.name.upper())
- out(' if (%(cond)s) {',
+ out(' if (%(cond)s && qemu_loglevel_mask(LOG_TRACE)) {',
' struct timeval _now;',
' gettimeofday(&_now, NULL);',
- ' qemu_log_mask(LOG_TRACE,',
- ' "%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",',
- ' getpid(),',
- ' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
- ' %(argnames)s);',
+ ' qemu_log("%%d@%%zd.%%06zd:%(name)s " %(fmt)s "\\n",',
+ ' getpid(),',
+ ' (size_t)_now.tv_sec, (size_t)_now.tv_usec',
+ ' %(argnames)s);',
' }',
cond=cond,
name=event.name,