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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-06-03 11:24:33 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-03 14:14:31 +0200 |
| commit | e61078a0c88773d3465b0b9d665c5ed6b952b1cf (patch) | |
| tree | 3a6bc9823f9ca6e8da2f21e0e9eb2063530bde63 /Documentation | |
| parent | 226f62fdd53d5b2c74e242aa11f6ad43d0285d3f (diff) | |
| download | op-kernel-dev-e61078a0c88773d3465b0b9d665c5ed6b952b1cf.zip op-kernel-dev-e61078a0c88773d3465b0b9d665c5ed6b952b1cf.tar.gz | |
perf record: Use long arg for counter period
I wrote this to test the extended period emulation, we might as
well merge it.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Kacur <jkacur@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/perf_counter/builtin-record.c | 6 | ||||
| -rw-r--r-- | Documentation/perf_counter/util/parse-options.c | 16 | ||||
| -rw-r--r-- | Documentation/perf_counter/util/parse-options.h | 2 |
3 files changed, 21 insertions, 3 deletions
diff --git a/Documentation/perf_counter/builtin-record.c b/Documentation/perf_counter/builtin-record.c index ec3b73ad..cea5b8d 100644 --- a/Documentation/perf_counter/builtin-record.c +++ b/Documentation/perf_counter/builtin-record.c @@ -20,8 +20,8 @@ #define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1) #define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) -static int default_interval = 100000; -static int event_count[MAX_COUNTERS]; +static long default_interval = 100000; +static long event_count[MAX_COUNTERS]; static int fd[MAX_NR_CPUS][MAX_COUNTERS]; static int nr_cpus = 0; @@ -494,7 +494,7 @@ static const struct option options[] = { "append to the output file to do incremental profiling"), OPT_BOOLEAN('f', "force", &force, "overwrite existing data file"), - OPT_INTEGER('c', "count", &default_interval, + OPT_LONG('c', "count", &default_interval, "event period to sample"), OPT_STRING('o', "output", &output_name, "file", "output file name"), diff --git a/Documentation/perf_counter/util/parse-options.c b/Documentation/perf_counter/util/parse-options.c index 28b34c1..b80abd9 100644 --- a/Documentation/perf_counter/util/parse-options.c +++ b/Documentation/perf_counter/util/parse-options.c @@ -113,6 +113,22 @@ static int get_value(struct parse_opt_ctx_t *p, return opterror(opt, "expects a numerical value", flags); return 0; + case OPTION_LONG: + if (unset) { + *(long *)opt->value = 0; + return 0; + } + if (opt->flags & PARSE_OPT_OPTARG && !p->opt) { + *(long *)opt->value = opt->defval; + return 0; + } + if (get_arg(p, opt, flags, &arg)) + return -1; + *(long *)opt->value = strtol(arg, (char **)&s, 10); + if (*s) + return opterror(opt, "expects a numerical value", flags); + return 0; + default: die("should not happen, someone must be hit on the forehead"); } diff --git a/Documentation/perf_counter/util/parse-options.h b/Documentation/perf_counter/util/parse-options.h index a81c7fa..a1039a6 100644 --- a/Documentation/perf_counter/util/parse-options.h +++ b/Documentation/perf_counter/util/parse-options.h @@ -14,6 +14,7 @@ enum parse_opt_type { /* options with arguments (usually) */ OPTION_STRING, OPTION_INTEGER, + OPTION_LONG, OPTION_CALLBACK, }; @@ -97,6 +98,7 @@ struct option { #define OPT_SET_INT(s, l, v, h, i) { OPTION_SET_INT, (s), (l), (v), NULL, (h), 0, NULL, (i) } #define OPT_SET_PTR(s, l, v, h, p) { OPTION_SET_PTR, (s), (l), (v), NULL, (h), 0, NULL, (p) } #define OPT_INTEGER(s, l, v, h) { OPTION_INTEGER, (s), (l), (v), NULL, (h) } +#define OPT_LONG(s, l, v, h) { OPTION_LONG, (s), (l), (v), NULL, (h) } #define OPT_STRING(s, l, v, a, h) { OPTION_STRING, (s), (l), (v), (a), (h) } #define OPT_DATE(s, l, v, h) \ { OPTION_CALLBACK, (s), (l), (v), "time",(h), 0, \ |
