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| author | Joerg Roedel <joerg.roedel@amd.com> | 2012-01-04 17:54:20 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-06 15:47:37 -0200 |
| commit | 1aed2671738785e8f5aea663a6fda91aa7ef59b5 (patch) | |
| tree | c28239bcbdc3b86278cceb27e2b33187c81ac20e /tools | |
| parent | df25f989a4390ca0dbc9cb24516d4b10c01ceda8 (diff) | |
| download | lwn-1aed2671738785e8f5aea663a6fda91aa7ef59b5.tar.gz lwn-1aed2671738785e8f5aea663a6fda91aa7ef59b5.zip | |
perf kvm: Do guest-only counting by default
Make use of exclude_guest and exlude_host in perf-kvm to do only
guest-only counting by default.
Cc: Gleb Natapov <gleb@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
[ committer note: Moved perf_{guest,host} & event_attr_init to util.c ]
[ so as not to drag more stuff to the python binding]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-kvm.c | 6 | ||||
| -rw-r--r-- | tools/perf/util/evlist.c | 5 | ||||
| -rw-r--r-- | tools/perf/util/parse-events.c | 1 | ||||
| -rw-r--r-- | tools/perf/util/util.c | 15 | ||||
| -rw-r--r-- | tools/perf/util/util.h | 4 |
5 files changed, 26 insertions, 5 deletions
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index 032324a76b87..9fc6e0fa3dce 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -22,9 +22,6 @@ static const char *file_name; static char name_buffer[256]; -bool perf_host = 1; -bool perf_guest; - static const char * const kvm_usage[] = { "perf kvm [<options>] {top|record|report|diff|buildid-list}", NULL @@ -107,7 +104,8 @@ static int __cmd_buildid_list(int argc, const char **argv) int cmd_kvm(int argc, const char **argv, const char *prefix __used) { - perf_host = perf_guest = 0; + perf_host = 0; + perf_guest = 1; argc = parse_options(argc, argv, kvm_options, kvm_usage, PARSE_OPT_STOP_AT_NON_OPTION); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index fa1837088ca8..3f16e08a5c8d 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -111,8 +111,11 @@ int perf_evlist__add_default(struct perf_evlist *evlist) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_CPU_CYCLES, }; - struct perf_evsel *evsel = perf_evsel__new(&attr, 0); + struct perf_evsel *evsel; + + event_attr_init(&attr); + evsel = perf_evsel__new(&attr, 0); if (evsel == NULL) goto error; diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 531c283fc0c5..dcf999c766b1 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -838,6 +838,7 @@ int parse_events(struct perf_evlist *evlist , const char *str, int unset __used) for (;;) { ostr = str; memset(&attr, 0, sizeof(attr)); + event_attr_init(&attr); ret = parse_event_symbols(evlist, &str, &attr); if (ret == EVT_FAILED) return -1; diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 5b3ea49aa63e..813141047fc2 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -1,6 +1,21 @@ +#include "../perf.h" #include "util.h" #include <sys/mman.h> +/* + * XXX We need to find a better place for these things... + */ +bool perf_host = true; +bool perf_guest = true; + +void event_attr_init(struct perf_event_attr *attr) +{ + if (!perf_host) + attr->exclude_host = 1; + if (!perf_guest) + attr->exclude_guest = 1; +} + int mkdir_p(char *path, mode_t mode) { struct stat st; diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 37be34dff798..b9c530cce79a 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -242,6 +242,10 @@ int strtailcmp(const char *s1, const char *s2); unsigned long convert_unit(unsigned long value, char *unit); int readn(int fd, void *buf, size_t size); +struct perf_event_attr; + +void event_attr_init(struct perf_event_attr *attr); + #define _STR(x) #x #define STR(x) _STR(x) |