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perf tools: Move mem_bswap32/64 to util.c 

Move functions mem_bswap_32() and mem_bswap_64() so they can be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1386765443-26966-21-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2013-12-11 14:36:32 +02:00 committed by Arnaldo Carvalho de Melo
parent c09ec62262
commit 71db07b12e
4 changed files with 25 additions and 23 deletions
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21
tools/perf/util/session.c
View File

@ -247,27 +247,6 @@ void perf_tool__fill_defaults(struct perf_tool *tool)
}
}
void mem_bswap_32(void *src, int byte_size)
{
u32 *m = src;
while (byte_size > 0) {
*m = bswap_32(*m);
byte_size -= sizeof(u32);
++m;
}
}
void mem_bswap_64(void *src, int byte_size)
{
u64 *m = src;
while (byte_size > 0) {
*m = bswap_64(*m);
byte_size -= sizeof(u64);
++m;
}
}
static void swap_sample_id_all(union perf_event *event, void *data)
{
void *end = (void *) event + event->header.size;

2
tools/perf/util/session.h
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@ -74,8 +74,6 @@ int perf_session__resolve_callchain(struct perf_session *session,
bool perf_session__has_traces(struct perf_session *session, const char *msg);
void mem_bswap_64(void *src, int byte_size);
void mem_bswap_32(void *src, int byte_size);
void perf_event__attr_swap(struct perf_event_attr *attr);
int perf_session__create_kernel_maps(struct perf_session *session);

22
tools/perf/util/util.c
View File

@ -10,6 +10,7 @@
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <byteswap.h>
#include <linux/kernel.h>
/*
@ -515,3 +516,24 @@ int perf_event_paranoid(void)
return value;
}
void mem_bswap_32(void *src, int byte_size)
{
u32 *m = src;
while (byte_size > 0) {
*m = bswap_32(*m);
byte_size -= sizeof(u32);
++m;
}
}
void mem_bswap_64(void *src, int byte_size)
{
u64 *m = src;
while (byte_size > 0) {
*m = bswap_64(*m);
byte_size -= sizeof(u64);
++m;
}
}

3
tools/perf/util/util.h
View File

@ -323,5 +323,8 @@ int filename__read_int(const char *filename, int *value);
int filename__read_str(const char *filename, char **buf, size_t *sizep);
int perf_event_paranoid(void);
void mem_bswap_64(void *src, int byte_size);
void mem_bswap_32(void *src, int byte_size);
const char *get_filename_for_perf_kvm(void);
#endif /* GIT_COMPAT_UTIL_H */