tracing · Maintained

Maintainers

• M Steven Rostedt <rostedt@goodmis.org>
• M Masami Hiramatsu <mhiramat@kernel.org>
• R Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

Paths

• F Documentation/core-api/tracepoint.rst
• F Documentation/trace/*
• F fs/tracefs/
• F include/linux/trace*.h
• F include/trace/
• F kernel/trace/
• F kernel/tracepoint.c
• F scripts/tracing/
• F scripts/tracepoint-update.c
• F tools/testing/selftests/ftrace/

Last 30 days

Recent patches

Most-recent 30 patches in this subsystem on bpf (capped at 30), ordered by date desc.

• [PATCH v5] tracing/eprobes: Allow use of BTF names to dereference pointers
  2026-05-19 · Steven Rostedt <rostedt@goodmis.org>
• [PATCH v4] tracing/probes: Allow use of BTF names to dereference pointers
  2026-05-19 · Steven Rostedt <rostedt@goodmis.org>
• [PATCH bpf-next v2 2/3] tracing: Expose tracepoint BTF ids via tracefs
  2026-05-18 · Mykyta Yatsenko <hidden>
• [PATCH v3] tracing/probes: Allow use of BTF names to dereference pointers
  2026-05-18 · Steven Rostedt <rostedt@goodmis.org>
• [PATCH v2] tracing/probes: Allow use of BTF names to dereference pointers
  2026-05-16 · Steven Rostedt <rostedt@goodmis.org>
• [PATCH bpf-next 2/3] tracing: Expose tracepoint BTF ids via tracefs
  2026-05-15 · Mykyta Yatsenko <hidden>
• [PATCH v2] fprobe: Fix unregister_fprobe() to wait for RCU grace period
  2026-05-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• [RFC PATCH] bpf: introduce TAINT_UNSAFE_BPF for mutating helpers
  2026-05-03 · Aaron Tomlin <atomlin@atomlin.com>
• [PATCH bpf-next v13 3/6] bpf: Add sleepable support for classic tracepoint programs
  2026-04-22 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v13 1/6] bpf: Add sleepable support for raw tracepoint programs
  2026-04-22 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v12 3/6] bpf: Add sleepable support for classic tracepoint programs
  2026-04-22 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v12 1/6] bpf: Add sleepable support for raw tracepoint programs
  2026-04-22 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v11 3/6] bpf: Add sleepable support for classic tracepoint programs
  2026-04-21 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v11 1/6] bpf: Add sleepable support for raw tracepoint programs
  2026-04-21 · Mykyta Yatsenko <hidden>
• [PATCHv5 bpf-next 16/28] bpf: Add support for tracing_multi link fdinfo
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 15/28] bpf: Add support for tracing_multi link session
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 14/28] bpf: Add support for tracing_multi link cookies
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 13/28] bpf: Add support for tracing multi link
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 03/28] ftrace: Add add_ftrace_hash_entry function
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 02/28] ftrace: Add ftrace_hash_remove function
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv5 bpf-next 01/28] ftrace: Add ftrace_hash_count function
  2026-04-17 · Jiri Olsa <jolsa@kernel.org>
• [PATCH bpf-next v10 3/6] bpf: Add sleepable support for classic tracepoint programs
  2026-04-15 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v10 1/6] bpf: Add sleepable support for raw tracepoint programs
  2026-04-15 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v3 1/1] bpf: Refactor dynptr mutability tracking
  2026-04-14 · Amery Hung <hidden>
• [PATCH bpf-next v9 3/6] bpf: Add sleepable support for classic tracepoint programs
  2026-04-10 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v9 1/6] bpf: Add sleepable support for raw tracepoint programs
  2026-04-10 · Mykyta Yatsenko <hidden>
• [PATCH bpf-next v5 1/2] bpf: Reject sleepable kprobe_multi programs at attach time
  2026-04-08 · Varun R Mallya <hidden>
• [PATCH bpf-next v4 1/2] bpf: Reject sleepable kprobe_multi programs at attach time
  2026-04-08 · Varun R Mallya <hidden>
• [PATCH bpf-next v7 1/2] tracing: Prefer vmlinux symbols over module symbols for unqualified kprobes
  2026-04-07 · Andrey Grodzovsky <hidden>
• [PATCH bpf-next v6 1/2] tracing: Prefer vmlinux symbols over module symbols for unqualified kprobes
  2026-04-07 · Andrey Grodzovsky <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• [PATCH net-next v4 1/5] net: sched: introduce qdisc-specific drop reason tracing
  2026-02-16 · Jesper Dangaard Brouer <hawk@kernel.org> · 1 Reviewed-by
• [PATCH net-next v5 1/5] net: sched: introduce qdisc-specific drop reason tracing
  2026-02-26 · Jesper Dangaard Brouer <hawk@kernel.org> · 1 Reviewed-by
• [PATCH v3 09/12] ext4: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org> · 1 Reviewed-by
• [PATCH v3 11/12] nilfs2: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• [PATCH 10/19] tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast
  2025-11-02 · "Paul E. McKenney" <paulmck@kernel.org>
• [PATCHv2 bpf-next 1/8] ftrace: Make alloc_and_copy_ftrace_hash direct friendly
  2025-11-13 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv2 bpf-next 2/8] ftrace: Export some of hash related functions
  2025-11-13 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv2 bpf-next 7/8] ftrace: Factor ftrace_ops ops_func interface
  2025-11-13 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv2 bpf-next 8/8] bpf, x86: Use single ftrace_ops for direct calls
  2025-11-13 · Jiri Olsa <jolsa@kernel.org>
• [PATCH 35/44] bpf: use min() instead of min_t()
  2025-11-19 · <hidden>
• [PATCHv3 bpf-next 1/8] ftrace: Make alloc_and_copy_ftrace_hash direct friendly
  2025-11-20 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv3 bpf-next 2/8] ftrace: Export some of hash related functions
  2025-11-20 · Jiri Olsa <jolsa@kernel.org>
• [PATCHv3 bpf-next 7/8] ftrace: Factor ftrace_ops ops_func interface
  2025-11-20 · Jiri Olsa <jolsa@kernel.org>
• [PATCH v2 1/2] cpufreq: Replace trace_cpu_frequency with trace_policy_frequency
  2025-12-01 · Samuel Wu <hidden>