From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
David Ahern <dsahern@gmail.com>, Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: [PATCH 1/7] tools lib: Add bitmap_alloc function
Date: Mon, 1 Aug 2016 20:02:29 +0200 [thread overview]
Message-ID: <1470074555-24889-2-git-send-email-jolsa@kernel.org> (raw)
In-Reply-To: <1470074555-24889-1-git-send-email-jolsa@kernel.org>
Adding bitmap_alloc function to dynamically allocate bitmap.
Link: http://lkml.kernel.org/n/tip-ictn3ke5ewrzwyn8webfeai9@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/include/linux/bitmap.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index 28f5493da491..66ddd992e690 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -3,6 +3,7 @@
#include <string.h>
#include <linux/bitops.h>
+#include <stdlib.h>
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
@@ -65,4 +66,13 @@ static inline int test_and_set_bit(int nr, unsigned long *addr)
return (old & mask) != 0;
}
+/**
+ * bitmap_alloc - Allocate bitmap
+ * @nr: Bit to set
+ */
+static inline unsigned long *bitmap_alloc(int nbits)
+{
+ return malloc(BITS_TO_LONGS(nbits) * sizeof(unsigned long));
+}
+
#endif /* _PERF_BITOPS_H */
--
2.4.11
next prev parent reply other threads:[~2016-08-01 18:13 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-01 18:02 [PATCH 0/7] perf tools: Several fixes Jiri Olsa
2016-08-01 18:02 ` Jiri Olsa [this message]
2016-08-01 18:45 ` [PATCH 1/7] tools lib: Add bitmap_alloc function David Ahern
2016-08-02 9:33 ` Jiri Olsa
2016-08-02 11:33 ` [PATCHv2 " Jiri Olsa
2016-08-02 12:56 ` Arnaldo Carvalho de Melo
2016-08-02 13:03 ` Jiri Olsa
2016-08-04 9:11 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 2/7] tools lib: Add bitmap_snprintf function Jiri Olsa
2016-08-02 15:25 ` Arnaldo Carvalho de Melo
2016-08-04 9:11 ` [tip:perf/urgent] tools lib: Add bitmap_scnprintf function tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 3/7] tools lib: Add bitmap_and function Jiri Olsa
2016-08-04 9:11 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 4/7] perf tests: Add test for bitmap_snprintf function Jiri Olsa
2016-08-04 9:12 ` [tip:perf/urgent] perf tests: Add test for bitmap_scnprintf function tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 5/7] perf tools: Move config/Makefile into Makefile.config Jiri Olsa
2016-08-04 9:13 ` [tip:perf/urgent] " tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 6/7] perf tools: Introduce hists__output_resort_cb function Jiri Olsa
2016-08-04 9:13 ` [tip:perf/urgent] perf hists: Introduce output_resort_cb method tip-bot for Jiri Olsa
2016-08-01 18:02 ` [PATCH 7/7] perf tools: Add --sample-cpu option to record command Jiri Olsa
2016-08-04 9:14 ` [tip:perf/urgent] perf record: Add --sample-cpu option tip-bot for Jiri Olsa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1470074555-24889-2-git-send-email-jolsa@kernel.org \
--to=jolsa@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=acme@kernel.org \
--cc=dsahern@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=namhyung@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).