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author | trasz <trasz@FreeBSD.org> | 2012-11-15 15:55:49 +0000 |
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committer | trasz <trasz@FreeBSD.org> | 2012-11-15 15:55:49 +0000 |
commit | f25f7f2e87f94acae33d5eb8330d534aabdf7235 (patch) | |
tree | d56b77029c7e64a92639bb06625e6cacd8e8c4f3 /sys/kern/kern_racct.c | |
parent | 9e310b54f6d63a4f90b2b6848d4d50c5f5933360 (diff) | |
download | FreeBSD-src-f25f7f2e87f94acae33d5eb8330d534aabdf7235.zip FreeBSD-src-f25f7f2e87f94acae33d5eb8330d534aabdf7235.tar.gz |
Improve KASSERT messages in racct, to make it clear which resource
caused the problem.
Submitted by: mjg
Diffstat (limited to 'sys/kern/kern_racct.c')
-rw-r--r-- | sys/kern/kern_racct.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/sys/kern/kern_racct.c b/sys/kern/kern_racct.c index 49be29d..bf8141c 100644 --- a/sys/kern/kern_racct.c +++ b/sys/kern/kern_racct.c @@ -385,9 +385,11 @@ racct_add_racct(struct racct *dest, const struct racct *src) */ for (i = 0; i <= RACCT_MAX; i++) { KASSERT(dest->r_resources[i] >= 0, - ("racct propagation meltdown: dest < 0")); + ("%s: resource %d propagation meltdown: dest < 0", + __func__, i)); KASSERT(src->r_resources[i] >= 0, - ("racct propagation meltdown: src < 0")); + ("%s: resource %d propagation meltdown: src < 0", + __func__, i)); dest->r_resources[i] += src->r_resources[i]; } } @@ -405,18 +407,21 @@ racct_sub_racct(struct racct *dest, const struct racct *src) for (i = 0; i <= RACCT_MAX; i++) { if (!RACCT_IS_SLOPPY(i) && !RACCT_IS_DECAYING(i)) { KASSERT(dest->r_resources[i] >= 0, - ("racct propagation meltdown: dest < 0")); + ("%s: resource %d propagation meltdown: dest < 0", + __func__, i)); KASSERT(src->r_resources[i] >= 0, - ("racct propagation meltdown: src < 0")); + ("%s: resource %d propagation meltdown: src < 0", + __func__, i)); KASSERT(src->r_resources[i] <= dest->r_resources[i], - ("racct propagation meltdown: src > dest")); + ("%s: resource %d propagation meltdown: src > dest", + __func__, i)); } if (RACCT_CAN_DROP(i)) { dest->r_resources[i] -= src->r_resources[i]; if (dest->r_resources[i] < 0) { KASSERT(RACCT_IS_SLOPPY(i) || RACCT_IS_DECAYING(i), - ("racct_sub_racct: usage < 0")); + ("%s: resource %d usage < 0", __func__, i)); dest->r_resources[i] = 0; } } @@ -487,7 +492,7 @@ racct_alloc_resource(struct racct *racct, int resource, racct->r_resources[resource] += amount; if (racct->r_resources[resource] < 0) { KASSERT(RACCT_IS_SLOPPY(resource) || RACCT_IS_DECAYING(resource), - ("racct_alloc_resource: usage < 0")); + ("%s: resource %d usage < 0", __func__, resource)); racct->r_resources[resource] = 0; } @@ -633,7 +638,7 @@ racct_set_locked(struct proc *p, int resource, uint64_t amount) diff_cred = diff_proc; #ifdef notyet KASSERT(diff_proc >= 0 || RACCT_CAN_DROP(resource), - ("racct_set: usage of non-droppable resource %d dropping", + ("%s: usage of non-droppable resource %d dropping", __func__, resource)); #endif #ifdef RCTL @@ -782,12 +787,12 @@ racct_sub(struct proc *p, int resource, uint64_t amount) */ PROC_LOCK_ASSERT(p, MA_OWNED); KASSERT(RACCT_CAN_DROP(resource), - ("racct_sub: called for non-droppable resource %d", resource)); + ("%s: called for non-droppable resource %d", __func__, resource)); mtx_lock(&racct_lock); KASSERT(amount <= p->p_racct->r_resources[resource], - ("racct_sub: freeing %ju of resource %d, which is more " - "than allocated %jd for %s (pid %d)", amount, resource, + ("%s: freeing %ju of resource %d, which is more " + "than allocated %jd for %s (pid %d)", __func__, amount, resource, (intmax_t)p->p_racct->r_resources[resource], p->p_comm, p->p_pid)); racct_alloc_resource(p->p_racct, resource, -amount); @@ -805,7 +810,7 @@ racct_sub_cred_locked(struct ucred *cred, int resource, uint64_t amount) #ifdef notyet KASSERT(RACCT_CAN_DROP(resource), - ("racct_sub_cred: called for resource %d which can not drop", + ("%s: called for resource %d which can not drop", __func__, resource)); #endif |