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dmstats: add 'precise' flag field to stats report

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Add a flag indicating whether or not precise_timestamps are enabled for
a given region or area.
This commit is contained in:
Bryn M. Reeves 2015-08-17 18:09:43 +01:00
parent e4145ebc47
commit 463f59eca4
2 changed files with 13 additions and 0 deletions
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1
WHATS_NEW_DM
View File

@ -1,5 +1,6 @@
Version 1.02.106 -
===================================
Add 'precise' column to statistics reports.
Add --precise switch to 'dmstats create' to request nanosecond counters.
Add precise argument to dm_stats_create_region().
Add support to libdm-stats for precise_timestamps

12
tools/dmsetup.c
View File

@ -3425,6 +3425,17 @@ static int _dm_stats_aux_data_disp(struct dm_report *rh,
return dm_report_field_string(rh, field, (const char * const *) &aux_data);
}
static int _dm_stats_precise_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field, const void *data,
void *private __attribute__((unused)))
{
const struct dm_stats *dms = (const struct dm_stats *) data;
int precise;
precise = dm_stats_get_current_region_precise_timestamps(dms);
return dm_report_field_int(rh, field, (const int *) &precise);
}
static int _dm_stats_rrqm_disp(struct dm_report *rh,
struct dm_pool *mem __attribute__((unused)),
struct dm_report_field *field, const void *data,
@ -4021,6 +4032,7 @@ FIELD_F(STATS_META, SIZ, "AOff", 5, dm_stats_area_offset, "area_offset", "Area o
FIELD_F(STATS_META, NUM, "#Areas", 3, dm_stats_area_count, "area_count", "Area count.")
FIELD_F(STATS_META, STR, "ProgID", 6, dm_stats_program_id, "program_id", "Program ID.")
FIELD_F(STATS_META, STR, "AuxDat", 6, dm_stats_aux_data, "aux_data", "Auxiliary data.")
FIELD_F(STATS_META, STR, "Precise", 5, dm_stats_precise, "precise", "Set if the nanosecond precision timers are enabled.")
{0, 0, 0, 0, "", "", NULL, NULL},
/* *INDENT-ON* */
};