Commit bcddbfc5 authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

perf trace: Generalize the syscall_fmt find routines

To allow them to be used with other stuff, such as tracepoints.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-od3gzg77ppqgnnrxqv40fvgx@git.kernel.org


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 9b2036cd
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+16 −5
Original line number Diff line number Diff line
@@ -966,24 +966,35 @@ static int syscall_fmt__cmp(const void *name, const void *fmtp)
	return strcmp(name, fmt->name);
}

static struct syscall_fmt *__syscall_fmt__find(struct syscall_fmt *fmts, const int nmemb, const char *name)
{
	return bsearch(name, fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp);
}

static struct syscall_fmt *syscall_fmt__find(const char *name)
{
	const int nmemb = ARRAY_SIZE(syscall_fmts);
	return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp);
	return __syscall_fmt__find(syscall_fmts, nmemb, name);
}

static struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias)
static struct syscall_fmt *__syscall_fmt__find_by_alias(struct syscall_fmt *fmts, const int nmemb, const char *alias)
{
	int i, nmemb = ARRAY_SIZE(syscall_fmts);
	int i;

	for (i = 0; i < nmemb; ++i) {
		if (syscall_fmts[i].alias && strcmp(syscall_fmts[i].alias, alias) == 0)
			return &syscall_fmts[i];
		if (fmts[i].alias && strcmp(fmts[i].alias, alias) == 0)
			return &fmts[i];
	}

	return NULL;
}

static struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias)
{
	const int nmemb = ARRAY_SIZE(syscall_fmts);
	return __syscall_fmt__find_by_alias(syscall_fmts, nmemb, alias);
}

/*
 * is_exit: is this "exit" or "exit_group"?
 * is_open: is this "open" or "openat"? To associate the fd returned in sys_exit with the pathname in sys_enter.