[v2,1/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap

Message ID	20171203020044.81680-2-wangnan0@huawei.com
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; From: Wang Nan <wangnan0@huawei.com> To: <linux-kernel@vger.kernel.org>, <kan.liang@intel.com>, <acme@kernel.org>, <jolsa@redhat.com>, <namhyung@kernel.org> CC: Wang Nan <wangnan0@huawei.com> Subject: [PATCH v2 1/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap Date: Sun, 3 Dec 2017 02:00:37 +0000 Message-ID: <20171203020044.81680-2-wangnan0@huawei.com> In-Reply-To: <20171203020044.81680-1-wangnan0@huawei.com> References: <20171203020044.81680-1-wangnan0@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk
Series	perf tools: perf tools: Clarify overwrite and backward, bugfix \| expand [v2,0/8] perf tools: perf tools: Clarify overwrite and backward, bugfix [v2,1/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap [v2,2/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap_ex [v2,3/8] perf tools: Remove evlist->overwrite [v2,4/8] perf tools: Remove overwrite from arguments list of perf_mmap__push [v2,5/8] perf tools: Remove overwrite and check_messup from mmap read [v2,6/8] perf mmap: Fix perf backward recording [v2,7/8] perf tools: Don't discard prev in backward mode [v2,8/8] perf tools: Replace 'backward' to 'overwrite' in evlist, mmap and record

diff --git a/tools/perf/arch/x86/tests/perf-time-to-tsc.c b/tools/perf/arch/x86/tests/perf-time-to-tsc.c index b59678e..06abe81 100644 --- a/tools/perf/arch/x86/tests/perf-time-to-tsc.c +++ b/tools/perf/arch/x86/tests/perf-time-to-tsc.c @@ -84,7 +84,7 @@ int test__perf_time_to_tsc(struct test *test __maybe_unused, int subtest __maybe CHECK__(perf_evlist__open(evlist)); - CHECK__(perf_evlist__mmap(evlist, UINT_MAX, false)); + CHECK__(perf_evlist__mmap(evlist, UINT_MAX)); pc = evlist->mmap[0].base; ret = perf_read_tsc_conversion(pc, &tc); diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 597c7de..9885316 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -1044,7 +1044,7 @@ static int kvm_live_open_events(struct perf_kvm_stat *kvm) goto out; } - if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages, false) < 0) { + if (perf_evlist__mmap(evlist, kvm->opts.mmap_pages) < 0) { ui__error("Failed to mmap the events: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); perf_evlist__close(evlist); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 0077724..540461f 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -907,7 +907,7 @@ static int perf_top__start_counters(struct perf_top *top) } } - if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) { + if (perf_evlist__mmap(evlist, opts->mmap_pages) < 0) { ui__error("Failed to mmap with %d (%s)\n", errno, str_error_r(errno, msg, sizeof(msg))); goto out_err; diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 84debdb..7c57898 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2437,7 +2437,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) if (err < 0) goto out_error_apply_filters; - err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); + err = perf_evlist__mmap(evlist, trace->opts.mmap_pages); if (err < 0) goto out_error_mmap; diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index 43a8c6a..cf37e43 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -59,7 +59,7 @@ static int do_test(struct perf_evlist *evlist, int mmap_pages, int err; char sbuf[STRERR_BUFSIZE]; - err = perf_evlist__mmap(evlist, mmap_pages, false); + err = perf_evlist__mmap(evlist, mmap_pages); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 34c22cd..c433dd3 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -167,7 +167,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void), goto out_delete_evlist; } - err = perf_evlist__mmap(evlist, opts.mmap_pages, false); + err = perf_evlist__mmap(evlist, opts.mmap_pages); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index fcc8984..3bf7b14 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -639,7 +639,7 @@ static int do_test_code_reading(bool try_kcore) break; } - ret = perf_evlist__mmap(evlist, UINT_MAX, false); + ret = perf_evlist__mmap(evlist, UINT_MAX); if (ret < 0) { pr_debug("perf_evlist__mmap failed\n"); goto out_put; diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 842d336..c465309 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -95,7 +95,7 @@ int test__keep_tracking(struct test *test __maybe_unused, int subtest __maybe_un goto out_err; } - CHECK__(perf_evlist__mmap(evlist, UINT_MAX, false)); + CHECK__(perf_evlist__mmap(evlist, UINT_MAX)); /* * First, test that a 'comm' event can be found when the event is diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index 91f10d6..c0e971d 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -94,7 +94,7 @@ int test__basic_mmap(struct test *test __maybe_unused, int subtest __maybe_unuse expected_nr_events[i] = 1 + rand() % 127; } - if (perf_evlist__mmap(evlist, 128, false) < 0) { + if (perf_evlist__mmap(evlist, 128) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c index d9619d2..97c9407 100644 --- a/tools/perf/tests/openat-syscall-tp-fields.c +++ b/tools/perf/tests/openat-syscall-tp-fields.c @@ -64,7 +64,7 @@ int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest goto out_delete_evlist; } - err = perf_evlist__mmap(evlist, UINT_MAX, false); + err = perf_evlist__mmap(evlist, UINT_MAX); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index c34904d..0afafab 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -141,7 +141,7 @@ int test__PERF_RECORD(struct test *test __maybe_unused, int subtest __maybe_unus * fds in the same CPU to be injected in the same mmap ring buffer * (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)). */ - err = perf_evlist__mmap(evlist, opts.mmap_pages, false); + err = perf_evlist__mmap(evlist, opts.mmap_pages); if (err < 0) { pr_debug("perf_evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index c6937ed..f6c72f9 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -78,7 +78,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) goto out_delete_evlist; } - err = perf_evlist__mmap(evlist, 128, false); + err = perf_evlist__mmap(evlist, 128); if (err < 0) { pr_debug("failed to mmap event: %d (%s)\n", errno, str_error_r(errno, sbuf, sizeof(sbuf))); diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index 7d3f4bf..33e0029 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -449,7 +449,7 @@ int test__switch_tracking(struct test *test __maybe_unused, int subtest __maybe_ goto out; } - err = perf_evlist__mmap(evlist, UINT_MAX, false); + err = perf_evlist__mmap(evlist, UINT_MAX); if (err) { pr_debug("perf_evlist__mmap failed!\n"); goto out_err; diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index 5d06ac8..01b62b8 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -101,7 +101,7 @@ int test__task_exit(struct test *test __maybe_unused, int subtest __maybe_unused goto out_delete_evlist; } - if (perf_evlist__mmap(evlist, 128, false) < 0) { + if (perf_evlist__mmap(evlist, 128) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, str_error_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 199bb82..3c1778b 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1091,10 +1091,9 @@ int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, return perf_evlist__mmap_per_cpu(evlist, &mp); } -int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, - bool overwrite) +int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages) { - return perf_evlist__mmap_ex(evlist, pages, overwrite, 0, false); + return perf_evlist__mmap_ex(evlist, pages, false, 0, false); } int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 4e8131d..f0f2c8b 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -171,8 +171,7 @@ unsigned long perf_event_mlock_kb_in_pages(void); int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages, bool overwrite, unsigned int auxtrace_pages, bool auxtrace_overwrite); -int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, - bool overwrite); +int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages); void perf_evlist__munmap(struct perf_evlist *evlist); size_t perf_evlist__mmap_size(unsigned long pages); diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 8e49d9c..b1e999b 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -864,7 +864,7 @@ static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, &pages, &overwrite)) return NULL; - if (perf_evlist__mmap(evlist, pages, overwrite) < 0) { + if (perf_evlist__mmap(evlist, pages) < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; }

[v2,1/8] perf tools: Remove 'overwrite' parameter from perf_evlist__mmap

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Patch