diff options
| author | attilio <attilio@FreeBSD.org> | 2013-02-26 18:11:43 +0000 |
|---|---|---|
| committer | attilio <attilio@FreeBSD.org> | 2013-02-26 18:11:43 +0000 |
| commit | 134623836d0dcb10f5bc79c883bd239098952cca (patch) | |
| tree | 53b8f81bf2dd71d981f19cb4460f54d0cd525234 /sys/dev/hwpmc/hwpmc_soft.c | |
| parent | cff31deb1a197b29ab976c135fdd01dfb6951a6a (diff) | |
| parent | 49f99b72515864c7f48e1d57295de7c122876049 (diff) | |
| download | FreeBSD-src-134623836d0dcb10f5bc79c883bd239098952cca.zip FreeBSD-src-134623836d0dcb10f5bc79c883bd239098952cca.tar.gz | |
MFC
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_soft.c')
| -rw-r--r-- | sys/dev/hwpmc/hwpmc_soft.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/dev/hwpmc/hwpmc_soft.c b/sys/dev/hwpmc/hwpmc_soft.c index dac3612..0ed2262 100644 --- a/sys/dev/hwpmc/hwpmc_soft.c +++ b/sys/dev/hwpmc/hwpmc_soft.c @@ -408,8 +408,11 @@ pmc_soft_intr(struct pmckern_soft *ks) } processed = 1; - pc->soft_values[ri]++; if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) { + if ((pc->soft_values[ri]--) <= 0) + pc->soft_values[ri] += pm->pm_sc.pm_reloadcount; + else + continue; user_mode = TRAPF_USERMODE(ks->pm_tf); error = pmc_process_interrupt(ks->pm_cpu, PMC_SR, pm, ks->pm_tf, user_mode); @@ -424,7 +427,8 @@ pmc_soft_intr(struct pmckern_soft *ks) */ curthread->td_flags |= TDF_ASTPENDING; } - } + } else + pc->soft_values[ri]++; } atomic_add_int(processed ? &pmc_stats.pm_intr_processed : |
