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Diffstat (limited to 'contrib/tracing/README.md')
| -rw-r--r-- | contrib/tracing/README.md | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/contrib/tracing/README.md b/contrib/tracing/README.md index 047354cda1..1f93474fa0 100644 --- a/contrib/tracing/README.md +++ b/contrib/tracing/README.md @@ -176,17 +176,12 @@ third acts as a duration threshold in milliseconds. When the `ConnectBlock()` function takes longer than the threshold, information about the block, is printed. For more details, see the header comment in the script. -By default, `bpftrace` limits strings to 64 bytes due to the limited stack size -in the kernel VM. Block hashes as zero-terminated hex strings are 65 bytes which -exceed the string limit. The string size limit can be set to 65 bytes with the -environment variable `BPFTRACE_STRLEN`. - The following command can be used to benchmark, for example, `ConnectBlock()` between height 20000 and 38000 on SigNet while logging all blocks that take longer than 25ms to connect. ``` -$ BPFTRACE_STRLEN=65 bpftrace contrib/tracing/connectblock_benchmark.bt 20000 38000 25 +$ bpftrace contrib/tracing/connectblock_benchmark.bt 20000 38000 25 ``` In a different terminal, starting Bitcoin Core in SigNet mode and with |