From: Jiri Olsa <jolsa@kernel.org>
To: Masami Hiramatsu <mhiramat@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
x86@kernel.org, Yonghong Song <yhs@fb.com>,
Song Liu <songliubraving@fb.com>,
Andrii Nakryiko <andrii@kernel.org>,
Mahe Tardy <mahe.tardy@gmail.com>
Subject: [PATCH bpf-next 0/4] x86/fgraph,bpf: Fix ORC stack unwind from kprobe_multi
Date: Mon, 12 Jan 2026 22:49:36 +0100 [thread overview]
Message-ID: <20260112214940.1222115-1-jolsa@kernel.org> (raw)
hi,
Mahe reported missing function from stack trace on top of kprobe multi
program. It turned out the latest fix [1] needs some more fixing.
thanks,
jirka
[1] https://lore.kernel.org/bpf/20251104215405.168643-1-jolsa@kernel.org/
---
Jiri Olsa (4):
x86/fgraph: Fix return_to_handler regs.rsp value
x86/fgraph,bpf: Switch kprobe_multi program stack unwind to hw_regs path
selftests/bpf: Fix kprobe multi stacktrace_ips test
selftests/bpf: Allow to benchmark trigger with stacktrace
arch/x86/include/asm/ftrace.h | 2 +-
arch/x86/kernel/ftrace_64.S | 4 +++-
kernel/trace/fgraph.c | 2 +-
tools/testing/selftests/bpf/bench.c | 4 ++++
tools/testing/selftests/bpf/bench.h | 1 +
tools/testing/selftests/bpf/benchs/bench_trigger.c | 1 +
tools/testing/selftests/bpf/prog_tests/stacktrace_ips.c | 3 ++-
tools/testing/selftests/bpf/progs/trigger_bench.c | 18 ++++++++++++++++++
8 files changed, 31 insertions(+), 4 deletions(-)
next reply other threads:[~2026-01-12 21:49 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-12 21:49 Jiri Olsa [this message]
2026-01-12 21:49 ` [PATCH bpf-next 1/4] x86/fgraph: Fix return_to_handler regs.rsp value Jiri Olsa
2026-01-12 21:49 ` [PATCH bpf-next 2/4] x86/fgraph,bpf: Switch kprobe_multi program stack unwind to hw_regs path Jiri Olsa
2026-01-12 22:07 ` Steven Rostedt
2026-01-13 11:43 ` Jiri Olsa
2026-01-15 18:52 ` Andrii Nakryiko
2026-01-16 16:25 ` Jiri Olsa
2026-01-16 22:24 ` Andrii Nakryiko
2026-01-20 14:50 ` Steven Rostedt
2026-01-20 16:17 ` Jiri Olsa
2026-01-12 21:49 ` [PATCH bpf-next 3/4] selftests/bpf: Fix kprobe multi stacktrace_ips test Jiri Olsa
2026-01-12 21:49 ` [PATCH bpf-next 4/4] selftests/bpf: Allow to benchmark trigger with stacktrace Jiri Olsa
2026-01-15 18:48 ` Andrii Nakryiko
2026-01-15 18:50 ` Andrii Nakryiko
2026-01-16 16:30 ` Jiri Olsa
2026-01-16 16:26 ` Jiri Olsa
2026-01-22 8:35 ` Jiri Olsa
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