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trace: improve performance while category is disabled

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Move just enough code from trace.c into trace.h header so all code
necessary to determine that trace is disabled could be inlined to
calling functions.  Then perform the check if the trace key is
enabled sooner in call chain.

Signed-off-by: Gennady Kupava <gkupava@bloomberg.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Gennady Kupava
2017-11-26 20:11:19 +00:00
committed by Junio C Hamano
parent 406102a731
commit 8eeb25c679
2 changed files with 37 additions and 15 deletions
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3
trace.c
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@@ -25,6 +25,7 @@
#include "quote.h"
struct trace_key trace_default_key = { "GIT_TRACE", 0, 0, 0 };
struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
/* Get a trace file descriptor from "key" env variable. */
static int get_trace_fd(struct trace_key *key)
@@ -172,8 +173,6 @@ void trace_strbuf_fl(const char *file, int line, struct trace_key *key,
print_trace_line(key, &buf);
}
static struct trace_key trace_perf_key = TRACE_KEY_INIT(PERFORMANCE);
static void trace_performance_vprintf_fl(const char *file, int line,
uint64_t nanos, const char *format,
va_list ap)