Wire up the system call tracepoints with Tasks Trace RCU to allow the ftrace, perf, and eBPF tracers to handle page faults. This series does the initial wire-up allowing tracers to handle page faults, but leaves out the actual handling of said page faults as future work. This series is based on kernel v6.5.5. Feedback is welcome! Thanks, Mathieu Cc: Michael Jeanson <mjeanson@xxxxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: Yonghong Song <yhs@xxxxxx> Cc: Paul E. McKenney <paulmck@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: bpf@xxxxxxxxxxxxxxx Cc: Joel Fernandes <joel@xxxxxxxxxxxxxxxxx> Mathieu Desnoyers (5): tracing: Introduce faultable tracepoints (v3) tracing/ftrace: Add support for faultable tracepoints tracing/bpf-trace: add support for faultable tracepoints tracing/perf: add support for faultable tracepoints tracing: convert sys_enter/exit to faultable tracepoints include/linux/tracepoint-defs.h | 14 +++++ include/linux/tracepoint.h | 88 ++++++++++++++++++++++--------- include/trace/bpf_probe.h | 21 ++++++-- include/trace/define_trace.h | 7 +++ include/trace/events/syscalls.h | 4 +- include/trace/perf.h | 27 ++++++++-- include/trace/trace_events.h | 73 ++++++++++++++++++++++++-- init/Kconfig | 1 + kernel/trace/bpf_trace.c | 10 +++- kernel/trace/trace_events.c | 26 +++++++--- kernel/trace/trace_fprobe.c | 5 +- kernel/trace/trace_syscalls.c | 92 +++++++++++++++++++++++---------- kernel/tracepoint.c | 58 +++++++++++---------- 13 files changed, 325 insertions(+), 101 deletions(-) -- 2.25.1
