Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

libbpf-tools: Use raw_tp rather than tp_btf for biolatency. #4271

Closed
wants to merge 1 commit into from
Closed

libbpf-tools: Use raw_tp rather than tp_btf for biolatency. #4271

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions libbpf-tools/biolatency.bpf.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -46,7 +46,7 @@ struct {
static __always_inline
int trace_rq_start(struct request *rq, int issue)
{
if (issue && targ_queued && BPF_CORE_READ(rq->q, elevator))
if (issue && targ_queued && BPF_CORE_READ(rq, q, elevator))
return 0;

u64 ts = bpf_ktime_get_ns();
Expand All @@ -64,7 +64,7 @@ int trace_rq_start(struct request *rq, int issue)
return 0;
}

SEC("tp_btf/block_rq_insert")
SEC("raw_tp/block_rq_insert")
int block_rq_insert(u64 *ctx)
{
if (filter_cg && !bpf_current_task_under_cgroup(&cgroup_map, 0))
Expand All @@ -81,7 +81,7 @@ int block_rq_insert(u64 *ctx)
return trace_rq_start((void *)ctx[0], false);
}

SEC("tp_btf/block_rq_issue")
SEC("raw_tp/block_rq_issue")
int block_rq_issue(u64 *ctx)
{
if (filter_cg && !bpf_current_task_under_cgroup(&cgroup_map, 0))
Expand All @@ -98,7 +98,7 @@ int block_rq_issue(u64 *ctx)
return trace_rq_start((void *)ctx[0], true);
}

SEC("tp_btf/block_rq_complete")
SEC("raw_tp/block_rq_complete")
int BPF_PROG(block_rq_complete, struct request *rq, int error,
unsigned int nr_bytes)
{
Expand All @@ -124,7 +124,7 @@ int BPF_PROG(block_rq_complete, struct request *rq, int error,
BPF_CORE_READ(disk, first_minor)) : 0;
}
if (targ_per_flag)
hkey.cmd_flags = rq->cmd_flags;
hkey.cmd_flags = BPF_CORE_READ(rq, cmd_flags);

histp = bpf_map_lookup_elem(&hists, &hkey);
if (!histp) {
Expand Down