From e61078a0c88773d3465b0b9d665c5ed6b952b1cf Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 3 Jun 2009 11:24:33 +0200 Subject: 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 Cc: Mike Galbraith Cc: Paul Mackerras Cc: Corey Ashford Cc: Marcelo Tosatti Cc: Arnaldo Carvalho de Melo Cc: Thomas Gleixner Cc: John Kacur LKML-Reference: Signed-off-by: Ingo Molnar --- Documentation/perf_counter/builtin-record.c | 6 +++--- Documentation/perf_counter/util/parse-options.c | 16 ++++++++++++++++ Documentation/perf_counter/util/parse-options.h | 2 ++ 3 files changed, 21 insertions(+), 3 deletions(-) (limited to 'Documentation') diff --git a/Documentation/perf_counter/builtin-record.c b/Documentation/perf_counter/builtin-record.c index ec3b73adbd9..cea5b8d3c63 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 28b34c1c29c..b80abd9a99b 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 a81c7faff68..a1039a6ce0e 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, \ -- cgit v1.2.3