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author | attilio <attilio@FreeBSD.org> | 2013-02-26 17:33:18 +0000 |
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committer | attilio <attilio@FreeBSD.org> | 2013-02-26 17:33:18 +0000 |
commit | afe5ce0c13a339718eedb08d875d136798499ad3 (patch) | |
tree | 20fe8e5e757f20a950dd317277daa575b44a5d5e /sys/dev/hwpmc | |
parent | e590e8091e823df34af5b8553df7832c49de0258 (diff) | |
download | FreeBSD-src-afe5ce0c13a339718eedb08d875d136798499ad3.zip FreeBSD-src-afe5ce0c13a339718eedb08d875d136798499ad3.tar.gz |
MFC
Diffstat (limited to 'sys/dev/hwpmc')
-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 : |