Commit-ID: 579e5ff629b17744f62473f314768de8b6f1e66c
Gitweb: https://git.kernel.org/tip/579e5ff629b17744f62473f314768de8b6f1e66c
Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
AuthorDate: Thu, 25 Oct 2018 14:21:31 -0300
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 30 Oct 2018 11:46:23 -0300
perf beauty: Introduce strarray__scnprintf_flags()
Generalizing pkey_alloc__scnprintf_access_rights(), so that we can use
it with other flags-like arguments, such as mount's mountflags argument.
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Benjamin Peterson <benjamin@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-o3ymi3104m8moaz9865g09w9@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/trace/beauty/beauty.h | 1 +
tools/perf/trace/beauty/pkey_alloc.c | 27 ++++++++++++++++-----------
2 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/tools/perf/trace/beauty/beauty.h b/tools/perf/trace/beauty/beauty.h
index 2570152d3909..a1806c4f3ccd 100644
--- a/tools/perf/trace/beauty/beauty.h
+++ b/tools/perf/trace/beauty/beauty.h
@@ -24,6 +24,7 @@ struct strarray {
}
size_t strarray__scnprintf(struct strarray *sa, char *bf, size_t size, const char *intfmt, int val);
+size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, unsigned long flags);
struct trace;
struct thread;
diff --git a/tools/perf/trace/beauty/pkey_alloc.c b/tools/perf/trace/beauty/pkey_alloc.c
index d3e5188a9bef..1b8ed4cac815 100644
--- a/tools/perf/trace/beauty/pkey_alloc.c
+++ b/tools/perf/trace/beauty/pkey_alloc.c
@@ -9,31 +9,28 @@
#include <linux/kernel.h>
#include <linux/log2.h>
-static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size)
+size_t strarray__scnprintf_flags(struct strarray *sa, char *bf, size_t size, unsigned long flags)
{
int i, printed = 0;
-#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
- static DEFINE_STRARRAY(pkey_alloc_access_rights);
-
- if (access_rights == 0) {
- const char *s = strarray__pkey_alloc_access_rights.entries[0];
+ if (flags == 0) {
+ const char *s = sa->entries[0];
if (s)
return scnprintf(bf, size, "%s", s);
return scnprintf(bf, size, "%d", 0);
}
- for (i = 1; i < strarray__pkey_alloc_access_rights.nr_entries; ++i) {
- int bit = 1 << (i - 1);
+ for (i = 1; i < sa->nr_entries; ++i) {
+ unsigned long bit = 1UL << (i - 1);
- if (!(access_rights & bit))
+ if (!(flags & bit))
continue;
if (printed != 0)
printed += scnprintf(bf + printed, size - printed, "|");
- if (strarray__pkey_alloc_access_rights.entries[i] != NULL)
- printed += scnprintf(bf + printed, size - printed, "%s", strarray__pkey_alloc_access_rights.entries[i]);
+ if (sa->entries[i] != NULL)
+ printed += scnprintf(bf + printed, size - printed, "%s", sa->entries[i]);
else
printed += scnprintf(bf + printed, size - printed, "0x%#", bit);
}
@@ -41,6 +38,14 @@ static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, s
return printed;
}
+static size_t pkey_alloc__scnprintf_access_rights(int access_rights, char *bf, size_t size)
+{
+#include "trace/beauty/generated/pkey_alloc_access_rights_array.c"
+ static DEFINE_STRARRAY(pkey_alloc_access_rights);
+
+ return strarray__scnprintf_flags(&strarray__pkey_alloc_access_rights, bf, size, access_rights);
+}
+
size_t syscall_arg__scnprintf_pkey_alloc_access_rights(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long cmd = arg->val;
|