Re: [PATCHv4 bpf-next 0/7] uprobe: uretprobe speed up

2024-05-07 Thread Jiri Olsa
On Fri, May 03, 2024 at 10:39:21PM +0200, Jiri Olsa wrote: > On Fri, May 03, 2024 at 11:03:24AM -0700, Andrii Nakryiko wrote: > > On Thu, May 2, 2024 at 1:04 PM Jiri Olsa wrote: > > > > > > On Thu, May 02, 2024 at 09:43:02AM -0700, Andrii Nakryiko wrote: > > > > On Thu, May 2, 2024 at 5:23 AM

Re: [PATCHv4 bpf-next 0/7] uprobe: uretprobe speed up

2024-05-03 Thread Jiri Olsa
On Fri, May 03, 2024 at 11:03:24AM -0700, Andrii Nakryiko wrote: > On Thu, May 2, 2024 at 1:04 PM Jiri Olsa wrote: > > > > On Thu, May 02, 2024 at 09:43:02AM -0700, Andrii Nakryiko wrote: > > > On Thu, May 2, 2024 at 5:23 AM Jiri Olsa wrote: > > > > > > > > hi, > > > > as part of the effort on

Re: [PATCHv4 bpf-next 0/7] uprobe: uretprobe speed up

2024-05-03 Thread Andrii Nakryiko
On Thu, May 2, 2024 at 1:04 PM Jiri Olsa wrote: > > On Thu, May 02, 2024 at 09:43:02AM -0700, Andrii Nakryiko wrote: > > On Thu, May 2, 2024 at 5:23 AM Jiri Olsa wrote: > > > > > > hi, > > > as part of the effort on speeding up the uprobes [0] coming with > > > return uprobe optimization by

Re: [PATCHv4 bpf-next 0/7] uprobe: uretprobe speed up

2024-05-02 Thread Jiri Olsa
On Thu, May 02, 2024 at 09:43:02AM -0700, Andrii Nakryiko wrote: > On Thu, May 2, 2024 at 5:23 AM Jiri Olsa wrote: > > > > hi, > > as part of the effort on speeding up the uprobes [0] coming with > > return uprobe optimization by using syscall instead of the trap > > on the uretprobe trampoline.

Re: [PATCHv4 bpf-next 0/7] uprobe: uretprobe speed up

2024-05-02 Thread Andrii Nakryiko
On Thu, May 2, 2024 at 5:23 AM Jiri Olsa wrote: > > hi, > as part of the effort on speeding up the uprobes [0] coming with > return uprobe optimization by using syscall instead of the trap > on the uretprobe trampoline. > > The speed up depends on instruction type that uprobe is installed > and