| Message ID | 20230130181915.1113313-1-zwisler@google.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | use canonical ftrace path whenever possible | expand |
On Mon, Jan 30, 2023 at 11:19:06AM -0700, Ross Zwisler wrote: > The canonical location for the tracefs filesystem is at /sys/kernel/tracing. Acked-by: Michael S. Tsirkin <mst@redhat.com> > But, from Documentation/trace/ftrace.rst: > > Before 4.1, all ftrace tracing control files were within the debugfs > file system, which is typically located at /sys/kernel/debug/tracing. > For backward compatibility, when mounting the debugfs file system, > the tracefs file system will be automatically mounted at: > > /sys/kernel/debug/tracing > > There are many places where this older debugfs path is still used in > code comments, selftests, examples and tools, so let's update them to > avoid confusion. > > I've broken up the series as best I could by maintainer or directory, > and I've only sent people the patches that I think they care about to > avoid spamming everyone. > > Ross Zwisler (9): > tracing: always use canonical ftrace path > bpf: use canonical ftrace path > selftests/bpf: use canonical ftrace path > perf docs: use canonical ftrace path > tools/power: use canonical ftrace path > selftests: use canonical ftrace path > tools/virtio: use canonical ftrace path > leaking_addresses: also skip canonical ftrace path > tools/kvm_stat: use canonical ftrace path > > include/linux/kernel.h | 2 +- > include/linux/tracepoint.h | 4 ++-- > include/uapi/linux/bpf.h | 8 ++++---- > kernel/trace/Kconfig | 20 +++++++++---------- > kernel/trace/kprobe_event_gen_test.c | 2 +- > kernel/trace/ring_buffer.c | 2 +- > kernel/trace/synth_event_gen_test.c | 2 +- > kernel/trace/trace.c | 2 +- > samples/bpf/cpustat_kern.c | 4 ++-- > samples/bpf/hbm.c | 4 ++-- > samples/bpf/ibumad_kern.c | 4 ++-- > samples/bpf/lwt_len_hist.sh | 2 +- > samples/bpf/offwaketime_kern.c | 2 +- > samples/bpf/task_fd_query_user.c | 4 ++-- > samples/bpf/test_lwt_bpf.sh | 2 +- > samples/bpf/test_overhead_tp_kern.c | 4 ++-- > samples/user_events/example.c | 4 ++-- > scripts/leaking_addresses.pl | 1 + > scripts/tracing/draw_functrace.py | 6 +++--- > scripts/tracing/ftrace-bisect.sh | 4 ++-- > tools/include/uapi/linux/bpf.h | 8 ++++---- > tools/kvm/kvm_stat/kvm_stat | 2 +- > tools/lib/api/fs/tracing_path.c | 4 ++-- > tools/lib/traceevent/event-parse.c | 8 ++++---- > tools/perf/Documentation/perf-list.txt | 2 +- > tools/perf/Documentation/perf-script-perl.txt | 2 +- > .../perf/Documentation/perf-script-python.txt | 4 ++-- > tools/power/pm-graph/sleepgraph.py | 4 ++-- > .../x86/amd_pstate_tracer/amd_pstate_trace.py | 4 ++-- > .../intel_pstate_tracer.py | 10 +++++----- > .../selftests/bpf/get_cgroup_id_user.c | 2 +- > .../bpf/prog_tests/kprobe_multi_test.c | 2 +- > .../bpf/prog_tests/task_fd_query_tp.c | 2 +- > .../bpf/prog_tests/tp_attach_query.c | 2 +- > .../selftests/bpf/prog_tests/trace_printk.c | 2 +- > .../selftests/bpf/prog_tests/trace_vprintk.c | 2 +- > .../selftests/bpf/progs/test_stacktrace_map.c | 2 +- > .../selftests/bpf/progs/test_tracepoint.c | 2 +- > tools/testing/selftests/bpf/test_ftrace.sh | 2 +- > tools/testing/selftests/bpf/test_tunnel.sh | 8 ++++---- > tools/testing/selftests/bpf/trace_helpers.c | 4 ++-- > .../testing/selftests/user_events/dyn_test.c | 2 +- > .../selftests/user_events/ftrace_test.c | 10 +++++----- > .../testing/selftests/user_events/perf_test.c | 8 ++++---- > tools/testing/selftests/vm/protection_keys.c | 4 ++-- > tools/tracing/latency/latency-collector.c | 2 +- > tools/virtio/virtio-trace/README | 2 +- > tools/virtio/virtio-trace/trace-agent.c | 2 +- > 48 files changed, 96 insertions(+), 95 deletions(-) > > -- > 2.39.1.456.gfc5497dd1b-goog