Message-ID: <4B37646A.90108@klingt.org>
Date: Sun, 27 Dec 2009 14:43:06 +0100
From: Tim Blechmann <tim@klingt.org>
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To: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: [PATCH] perf: rename perf_event_hw_event in design document
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perf_event_hw_event has been renamed to perf_event_attr. the design
document was still using the old name, though.

Signed-off-by: Tim Blechmann <tim@klingt.org>
---
 tools/perf/design.txt |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)


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diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index fdd42a8..a58cc9a 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -21,7 +21,7 @@ There's one file descriptor per virtual counter used.
 The special file descriptor is opened via the perf_event_open()
 system call:
=20
-   int sys_perf_event_open(struct perf_event_hw_event *hw_event_uptr,
+   int sys_perf_event_open(struct perf_event_attr *hw_event_uptr,
 			     pid_t pid, int cpu, int group_fd,
 			     unsigned long flags);
=20
@@ -32,9 +32,9 @@ can be used to set the blocking mode, etc.
 Multiple counters can be kept open at a time, and the counters
 can be poll()ed.
=20
-When creating a new counter fd, 'perf_event_hw_event' is:
+When creating a new counter fd, 'perf_event_attr' is:
=20
-struct perf_event_hw_event {
+struct perf_event_attr {
         /*
          * The MSB of the config word signifies if the rest contains cpu=

          * specific (raw) counter configuration data, if unset, the next=

@@ -397,7 +397,7 @@ Notification of new events is possible through poll()=
/select()/epoll() and
 fcntl() managing signals.
=20
 Normally a notification is generated for every page filled, however one =
can
-additionally set perf_event_hw_event.wakeup_events to generate one every=

+additionally set perf_event_attr.wakeup_events to generate one every
 so many counter overflow events.
=20
 Future work will include a splice() interface to the ring-buffer.


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