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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/tracing.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/tracing.txt b/docs/tracing.txt index ae01ff1378..5504850857 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -72,6 +72,10 @@ Trace events should use types as follows: * For everything else, use primitive scalar types (char, int, long) with the appropriate signedness. +Format strings should reflect the types defined in the trace event. Take +special care to use PRId64 and PRIu64 for int64_t and uint64_t types, +respectively. This ensures portability between 32- and 64-bit platforms. + === Hints for adding new trace events === 1. Trace state changes in the code. Interesting points in the code usually |