diff options
author | Bryan Cantrill <bryan@joyent.com> | 2016-07-19 01:24:42 +0000 |
---|---|---|
committer | Robert Mustacchi <rm@joyent.com> | 2016-08-25 16:32:27 -0700 |
commit | 0ddc0ebb74cedb0ac394818c6e166c47eb8e62e5 (patch) | |
tree | 14a88d436d6e97194e6fe92be0bc55e25a6740bc /usr/src/lib/libdtrace/common | |
parent | ff892b7ce7155120a08759aeabce0b4cd24bc867 (diff) | |
download | illumos-gate-0ddc0ebb74cedb0ac394818c6e166c47eb8e62e5.tar.gz |
7297 clear() on llquantize aggregation causes dtrace to exit
7298 printa() of multiple aggregations can fail for llquantize()
Reviewed by: Patrick Mooney <patrick.mooney@joyent.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Adam Leventhal <adam.leventhal@gmail.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
Diffstat (limited to 'usr/src/lib/libdtrace/common')
-rw-r--r-- | usr/src/lib/libdtrace/common/dt_aggregate.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/usr/src/lib/libdtrace/common/dt_aggregate.c b/usr/src/lib/libdtrace/common/dt_aggregate.c index 64ea79fbcc..a0eebe5a75 100644 --- a/usr/src/lib/libdtrace/common/dt_aggregate.c +++ b/usr/src/lib/libdtrace/common/dt_aggregate.c @@ -25,7 +25,7 @@ */ /* - * Copyright (c) 2013, Joyent, Inc. All rights reserved. + * Copyright (c) 2016, Joyent, Inc. All rights reserved. * Copyright (c) 2012 by Delphix. All rights reserved. */ @@ -1145,7 +1145,13 @@ dt_aggwalk_rval(dtrace_hdl_t *dtp, dt_ahashent_t *h, int rval) size = rec->dtrd_size; data = &h->dtahe_data; - if (rec->dtrd_action == DTRACEAGG_LQUANTIZE) { + if (rec->dtrd_action == DTRACEAGG_LQUANTIZE || + rec->dtrd_action == DTRACEAGG_LLQUANTIZE) { + /* + * For lquantize() and llquantize(), we want to be + * sure to not zero the aggregation parameters; step + * over them and adjust our size accordingly. + */ offs = sizeof (uint64_t); size -= sizeof (uint64_t); } @@ -1894,12 +1900,13 @@ dtrace_aggregate_walk_joined(dtrace_hdl_t *dtp, dtrace_aggvarid_t *aggvars, rec = &aggdesc->dtagd_rec[aggdesc->dtagd_nrecs - 1]; /* - * Now for the more complicated part. If (and only if) this - * is an lquantize() aggregating action, zero-filled data is - * not equivalent to an empty record: we must also get the - * parameters for the lquantize(). + * Now for the more complicated part. For the lquantize() and + * llquantize() aggregating actions, zero-filled data is not + * equivalent to an empty record: we must also get the + * parameters for the lquantize()/llquantize(). */ - if (rec->dtrd_action == DTRACEAGG_LQUANTIZE) { + if (rec->dtrd_action == DTRACEAGG_LQUANTIZE || + rec->dtrd_action == DTRACEAGG_LLQUANTIZE) { if (aggdata->dtada_data != NULL) { /* * The easier case here is if we actually have @@ -1920,7 +1927,7 @@ dtrace_aggregate_walk_joined(dtrace_hdl_t *dtp, dtrace_aggvarid_t *aggvars, * -- either directly or indirectly.) So as * gross as it is, we'll grovel around in the * compiler-generated information to find the - * lquantize() parameters. + * lquantize()/llquantize() parameters. */ dtrace_stmtdesc_t *sdp; dt_ident_t *aid; |