From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>,
David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Milian Wolff <mail@milianw.de>,
Namhyung Kim <namhyung@kernel.org>,
Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 02/24] perf kvm stat live: Use perf_evlist__add_pollfd return fd position
Date: Tue, 14 Oct 2014 18:04:11 -0300 [thread overview]
Message-ID: <1413320673-5784-3-git-send-email-acme@kernel.org> (raw)
In-Reply-To: <1413320673-5784-1-git-send-email-acme@kernel.org>
From: Jiri Olsa <jolsa@kernel.org>
With the interface changed in following commit:
2171a9256862 tools lib fd array: Allow associating an integer cookie with each entry
the perf_evlist__add_pollfd function now returns the fd position in the
pollfd array.
Hence we no longer need to count the fd position, because we get it as
the return value.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Milian Wolff <mail@milianw.de>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1412179229-19466-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/builtin-kvm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 663d6eda0822..dc7d704735bd 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -933,10 +933,10 @@ static int kvm_events_live_report(struct perf_kvm_stat *kvm)
nr_fds++;
- if (perf_evlist__add_pollfd(kvm->evlist, fileno(stdin)) < 0)
+ nr_stdin = perf_evlist__add_pollfd(kvm->evlist, fileno(stdin));
+ if (nr_stdin < 0)
goto out;
- nr_stdin = nr_fds;
nr_fds++;
if (fd_set_nonblock(fileno(stdin)) != 0)
goto out;
--
1.9.3
next prev parent reply other threads:[~2014-10-14 21:04 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-14 21:04 [GIT PULL 00/24] perf/core improvements and fixes Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 01/24] perf kvm stat live: Fix perf_evlist__add_pollfd error handling Arnaldo Carvalho de Melo
2014-10-14 21:04 ` Arnaldo Carvalho de Melo [this message]
2014-10-14 21:04 ` [PATCH 03/24] perf kvm stat live: Use fdarray object instead of pollfd Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 04/24] perf callchain: Move callchain_param to util object in to fix python test Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 05/24] perf sched: Stop updating hists stats, not used Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 06/24] perf script: " Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 07/24] perf evsel: Add hists helper Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 08/24] perf session: Don't count per evsel events Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 09/24] perf tools: Move events_stats struct to event.h Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 10/24] perf ui browsers: Add missing include Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 11/24] perf session: Remove last reference to hists struct Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 12/24] perf evsel: Subclassing Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 13/24] perf callchain: Move the callchain_param extern to callchain.h Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 14/24] perf tools: Remove hists from evsel Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 15/24] perf thread_map: Create dummy constructor out of open coded equivalent Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 16/24] perf evlist: Check that there is a thread_map when preparing a workload Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 17/24] perf evlist: Default to syswide target when no thread/cpu maps set Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 18/24] perf evsel: Add missing 'target' struct forward declaration Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 19/24] perf evsel: Make some exit routines static Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 20/24] perf machine: Add missing dsos->root rbtree root initialization Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 21/24] perf tools: fix off-by-one error in maps Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 22/24] perf tools: Fixup off-by-one comparision in maps__find Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 23/24] perf symbols: Fix map->end fixup Arnaldo Carvalho de Melo
2014-10-14 21:04 ` [PATCH 24/24] perf symbols: Make sym->end be the first address after the symbol range Arnaldo Carvalho de Melo
2014-10-15 9:56 ` [GIT PULL 00/24] perf/core improvements and fixes Ingo Molnar
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