From: Jiri Olsa <olsajiri@gmail.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Jiri Olsa" <olsajiri@gmail.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Oleg Nesterov" <oleg@redhat.com>,
"Andrii Nakryiko" <andrii@kernel.org>,
bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, x86@kernel.org,
"Song Liu" <songliubraving@fb.com>, "Yonghong Song" <yhs@fb.com>,
"John Fastabend" <john.fastabend@gmail.com>,
"Hao Luo" <haoluo@google.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Alan Maguire" <alan.maguire@oracle.com>,
"David Laight" <David.Laight@aculab.com>,
"Thomas Weißschuh" <thomas@t-8ch.de>,
"Ingo Molnar" <mingo@kernel.org>
Subject: Re: [PATCHv6 perf/core 10/22] uprobes/x86: Add support to optimize uprobes
Date: Wed, 20 Aug 2025 14:19:08 +0200 [thread overview]
Message-ID: <aKW9PFYyTjCkkhF5@krava> (raw)
In-Reply-To: <20250819191744.GN3289052@noisy.programming.kicks-ass.net>
On Tue, Aug 19, 2025 at 09:17:44PM +0200, Peter Zijlstra wrote:
> On Mon, Jul 28, 2025 at 11:34:56PM +0200, Jiri Olsa wrote:
>
> > Peter, do you have more comments?
>
> I'm not really a fan of this syscall is faster than exception stuff. Yes
> it is for current hardware, but I suspect much of this will be a
> maintenance burden 'soon'.
>
> Anyway, I'll queue the patches tomorrow. I think the shadow stack thing
> wants fixing though. The rest we can prod at whenever.
ok, will send follow up
thanks,
jirka
next prev parent reply other threads:[~2025-08-20 12:19 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-20 11:21 [PATCHv6 perf/core 00/22] uprobes: Add support to optimize usdt probes on x86_64 Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 01/22] uprobes: Remove breakpoint in unapply_uprobe under mmap_write_lock Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 02/22] uprobes: Rename arch_uretprobe_trampoline function Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 03/22] uprobes: Make copy_from_page global Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 04/22] uprobes: Add uprobe_write function Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 05/22] uprobes: Add nbytes argument to uprobe_write Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 06/22] uprobes: Add is_register argument to uprobe_write and uprobe_write_opcode Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 07/22] uprobes: Add do_ref_ctr argument to uprobe_write function Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 08/22] uprobes/x86: Add mapping for optimized uprobe trampolines Jiri Olsa
2025-08-19 14:53 ` Peter Zijlstra
2025-08-20 12:18 ` Jiri Olsa
2025-08-25 10:25 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 09/22] uprobes/x86: Add uprobe syscall to speed up uprobe Jiri Olsa
2025-07-20 11:38 ` Oleg Nesterov
2025-07-25 10:11 ` Masami Hiramatsu
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-09-03 18:24 ` [PATCHv6 perf/core 09/22] " Andrii Nakryiko
2025-09-03 20:56 ` Jiri Olsa
2025-09-03 21:01 ` Peter Zijlstra
2025-09-03 23:12 ` Andrii Nakryiko
2025-09-04 7:56 ` Jiri Olsa
2025-09-04 9:39 ` Jann Horn
2025-09-04 14:03 ` Jiri Olsa
2025-09-04 18:32 ` Andrii Nakryiko
2025-09-05 10:46 ` Jiri Olsa
2025-09-05 18:44 ` Andrii Nakryiko
2025-09-04 8:13 ` Jiri Olsa
2025-09-04 18:27 ` nop5-optimized USDTs WAS: " Andrii Nakryiko
2025-09-04 20:35 ` Peter Zijlstra
2025-09-04 20:49 ` Andrii Nakryiko
2025-09-04 20:52 ` Peter Zijlstra
2025-09-04 21:44 ` Andrii Nakryiko
2025-09-04 21:56 ` Peter Zijlstra
2025-09-04 21:58 ` Peter Zijlstra
2025-09-05 8:24 ` Peter Zijlstra
2025-09-05 8:38 ` Peter Zijlstra
2025-09-10 14:30 ` Andrii Nakryiko
2025-07-20 11:21 ` [PATCHv6 perf/core 10/22] uprobes/x86: Add support to optimize uprobes Jiri Olsa
2025-07-25 10:13 ` Masami Hiramatsu
2025-07-28 21:34 ` Jiri Olsa
2025-08-08 17:44 ` Jiri Olsa
2025-08-19 19:17 ` Peter Zijlstra
2025-08-20 12:19 ` Jiri Olsa [this message]
2025-08-19 19:15 ` Peter Zijlstra
2025-08-20 12:19 ` Jiri Olsa
2025-08-20 13:01 ` Peter Zijlstra
2025-08-20 12:30 ` Peter Zijlstra
2025-08-20 15:58 ` Edgecombe, Rick P
2025-08-20 17:12 ` Peter Zijlstra
2025-08-20 17:26 ` Edgecombe, Rick P
2025-08-20 17:43 ` Peter Zijlstra
2025-08-20 18:04 ` Edgecombe, Rick P
2025-08-20 21:38 ` Jiri Olsa
2025-09-03 6:48 ` Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 11/22] selftests/bpf: Import usdt.h from libbpf/usdt project Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 12/22] selftests/bpf: Reorg the uprobe_syscall test function Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 13/22] selftests/bpf: Rename uprobe_syscall_executed prog to test_uretprobe_multi Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 14/22] selftests/bpf: Add uprobe/usdt syscall tests Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 15/22] selftests/bpf: Add hit/attach/detach race optimized uprobe test Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 16/22] selftests/bpf: Add uprobe syscall sigill signal test Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 17/22] selftests/bpf: Add optimized usdt variant for basic usdt test Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 18/22] selftests/bpf: Add uprobe_regs_equal test Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 19/22] selftests/bpf: Change test_uretprobe_regs_change for uprobe and uretprobe Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 20/22] seccomp: passthrough uprobe systemcall without filtering Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv6 perf/core 21/22] selftests/seccomp: validate uprobe syscall passes through seccomp Jiri Olsa
2025-08-25 10:24 ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2025-07-20 11:21 ` [PATCHv5 22/22] man2: Add uprobe syscall page Jiri Olsa
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