tracing: fix invalid argument in mempool_monitor

The mempool_monitor tracing tool is incorrectly reading the reason
as the first argument. Fix this!
This commit is contained in:
William Casarin 2025-05-08 22:01:12 -07:00
parent ad5cd129f3
commit 31c5ebc400

View File

@ -80,7 +80,7 @@ int trace_removed(struct pt_regs *ctx) {
void *phash = NULL, *preason = NULL;
bpf_usdt_readarg(1, ctx, phash);
bpf_probe_read_user(&removed.hash, sizeof(removed.hash), phash);
bpf_usdt_readarg(1, ctx, preason);
bpf_usdt_readarg(2, ctx, preason);
bpf_probe_read_user_str(&removed.reason, sizeof(removed.reason), preason);
bpf_usdt_readarg(3, ctx, &removed.vsize);
bpf_usdt_readarg(4, ctx, &removed.fee);
@ -95,7 +95,7 @@ int trace_rejected(struct pt_regs *ctx) {
void *phash = NULL, *preason = NULL;
bpf_usdt_readarg(1, ctx, phash);
bpf_probe_read_user(&rejected.hash, sizeof(rejected.hash), phash);
bpf_usdt_readarg(1, ctx, preason);
bpf_usdt_readarg(2, ctx, preason);
bpf_probe_read_user_str(&rejected.reason, sizeof(rejected.reason), preason);
rejected_events.perf_submit(ctx, &rejected, sizeof(rejected));
return 0;