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util: probe: Add quiet versions of the "PROBE" macro

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PROBE macro adds a logging entry, when used in places seeing a lot of
traffic this can cause a significant slowdown.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
(cherry picked from commit f06e488d5484031a76e7ed231c8fef8fa1181d2c)
This commit is contained in:
Peter Krempa 2017-12-20 12:58:36 +01:00 committed by Cole Robinson
parent 290886b16c
commit 881d4b65d0
1 changed files with 8 additions and 0 deletions
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8
src/util/virprobe.h
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@ -90,11 +90,19 @@
PROBE_EXPAND(LIBVIRT_ ## NAME, \ PROBE_EXPAND(LIBVIRT_ ## NAME, \
VIR_ADD_CASTS(__VA_ARGS__)); \ VIR_ADD_CASTS(__VA_ARGS__)); \
} }
# define PROBE_QUIET(NAME, FMT, ...) \
if (LIBVIRT_ ## NAME ## _ENABLED()) { \
PROBE_EXPAND(LIBVIRT_ ## NAME, \
VIR_ADD_CASTS(__VA_ARGS__)); \
}
# else # else
# define PROBE(NAME, FMT, ...) \ # define PROBE(NAME, FMT, ...) \
VIR_INFO_INT(&virLogSelf, \ VIR_INFO_INT(&virLogSelf, \
__FILE__, __LINE__, __func__, \ __FILE__, __LINE__, __func__, \
#NAME ": " FMT, __VA_ARGS__); #NAME ": " FMT, __VA_ARGS__);
# define PROBE_QUIET(NAME, FMT, ...)
# endif # endif
#endif /* __VIR_PROBE_H__ */ #endif /* __VIR_PROBE_H__ */