diff options
| -rw-r--r-- | includes/RtsFlags.h | 2 | ||||
| -rw-r--r-- | rts/ProfHeap.c | 2 | ||||
| -rw-r--r-- | rts/RtsFlags.c | 12 |
3 files changed, 14 insertions, 2 deletions
diff --git a/includes/RtsFlags.h b/includes/RtsFlags.h index fbdc64ebbc..6c4b230209 100644 --- a/includes/RtsFlags.h +++ b/includes/RtsFlags.h @@ -97,6 +97,8 @@ struct PROFILING_FLAGS { nat maxRetainerSetSize; + nat ccsLength; + char* modSelector; char* descrSelector; char* typeSelector; diff --git a/rts/ProfHeap.c b/rts/ProfHeap.c index 2818fb6946..0ee53f3e22 100644 --- a/rts/ProfHeap.c +++ b/rts/ProfHeap.c @@ -806,7 +806,7 @@ dumpCensus( Census *census ) #ifdef PROFILING switch (RtsFlags.ProfFlags.doHeapProfile) { case HEAP_BY_CCS: - fprint_ccs(hp_file, (CostCentreStack *)ctr->identity, 25); + fprint_ccs(hp_file, (CostCentreStack *)ctr->identity, RtsFlags.ProfFlags.ccsLength); break; case HEAP_BY_MOD: case HEAP_BY_DESCR: diff --git a/rts/RtsFlags.c b/rts/RtsFlags.c index 9aa906f130..7b8a4d1d68 100644 --- a/rts/RtsFlags.c +++ b/rts/RtsFlags.c @@ -177,6 +177,7 @@ void initRtsFlagsDefaults(void) RtsFlags.ProfFlags.includeTSOs = rtsFalse; RtsFlags.ProfFlags.showCCSOnException = rtsFalse; RtsFlags.ProfFlags.maxRetainerSetSize = 8; + RtsFlags.ProfFlags.ccsLength = 25; RtsFlags.ProfFlags.modSelector = NULL; RtsFlags.ProfFlags.descrSelector = NULL; RtsFlags.ProfFlags.typeSelector = NULL; @@ -369,6 +370,9 @@ usage_text[] = { " -hb<bio>... closures with specified biographies (lag,drag,void,use)", "", " -R<size> Set the maximum retainer set size (default: 8)", +"", +" -L<chars> Maximum length of a cost-centre stack in a heap profile", +" (default: 25)", "", " -i<sec> Time between heap samples (seconds, default: 0.1)", "", @@ -858,7 +862,13 @@ error = rtsTrue; PROFILING_BUILD_ONLY( RtsFlags.ProfFlags.maxRetainerSetSize = atof(rts_argv[arg]+2); ) break; - + case 'L': + PROFILING_BUILD_ONLY( + RtsFlags.ProfFlags.ccsLength = atof(rts_argv[arg]+2); + if(RtsFlags.ProfFlags.ccsLength <= 0) { + bad_option(rts_argv[arg]); + } + ) break; case 'h': /* serial heap profile */ #if !defined(PROFILING) && defined(DEBUG) switch (rts_argv[arg][2]) { |