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Diffstat (limited to 'llvm/docs/CommandGuide')
| -rw-r--r-- | llvm/docs/CommandGuide/llvm-profdata.rst | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm/docs/CommandGuide/llvm-profdata.rst b/llvm/docs/CommandGuide/llvm-profdata.rst index 13a66dc..6472320 100644 --- a/llvm/docs/CommandGuide/llvm-profdata.rst +++ b/llvm/docs/CommandGuide/llvm-profdata.rst @@ -161,6 +161,30 @@ OPTIONS coverage for the optimized target. This option can only be used with sample-based profile in extbinary format. +.. option:: -supplement-instr-with-sample=path_to_sample_profile + + Supplement an instrumentation profile with sample profile. The sample profile + is the input of the flag. Output will be in instrumentation format (only works + with -instr). + +.. option:: -zero-counter-threshold=threshold_float_number + + For the function which is cold in instr profile but hot in sample profile, if + the ratio of the number of zero counters divided by the the total number of + counters is above the threshold, the profile of the function will be regarded + as being harmful for performance and will be dropped. + +.. option:: -instr-prof-cold-threshold=threshold_int_number + + User specified cold threshold for instr profile which will override the cold + threshold got from profile summary. + +.. option:: -suppl-min-size-threshold=threshold_int_number + + If the size of a function is smaller than the threshold, assume it can be + inlined by PGO early inliner and it will not be adjusted based on sample + profile. + EXAMPLES ^^^^^^^^ Basic Usage |