On Tue, 2 Jul 2024 12:53:20 -0400
Steven Rostedt wrote:
> On Wed, 3 Jul 2024 00:19:05 +0900
> Masami Hiramatsu (Google) wrote:
>
> > > BTW, is this (batched register/unregister APIs) something you'd like
> > > to use from the tracefs-based (or whatever it's called, I mean non-BPF
> > > ones)
On Tue, Jul 2, 2024 at 9:53 AM Steven Rostedt wrote:
>
> On Wed, 3 Jul 2024 00:19:05 +0900
> Masami Hiramatsu (Google) wrote:
>
> > > BTW, is this (batched register/unregister APIs) something you'd like
> > > to use from the tracefs-based (or whatever it's called, I mean non-BPF
> > > ones)
On Tue, Jul 2, 2024 at 3:23 AM Peter Zijlstra wrote:
>
> On Mon, Jul 01, 2024 at 03:39:27PM -0700, Andrii Nakryiko wrote:
>
> > diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
> > index 23449a8c5e7e..560cf1ca512a 100644
> > --- a/kernel/events/uprobes.c
> > +++
On Wed, 3 Jul 2024 00:19:05 +0900
Masami Hiramatsu (Google) wrote:
> > BTW, is this (batched register/unregister APIs) something you'd like
> > to use from the tracefs-based (or whatever it's called, I mean non-BPF
> > ones) uprobes as well? Or there is just no way to even specify a batch
> > of
On Mon, 1 Jul 2024 18:34:55 -0700
Andrii Nakryiko wrote:
> > > How about this? I'll keep the existing get_uprobe_consumer(idx, ctx)
> > > contract, which works for the only user right now, BPF multi-uprobes.
> > > When it's time to add another consumer that works with a linked list,
> > > we can
On 2024/7/2 21:30, Mathieu Desnoyers wrote:
On 2024-07-02 07:55, Hongbo Li wrote:
On 2024/7/2 7:49, Steven Rostedt wrote:
On Wed, 12 Jun 2024 09:11:56 +0800
Hongbo Li wrote:
@@ -934,6 +943,12 @@ static int hugetlbfs_setattr(struct mnt_idmap
*idmap,
if (error)
return
On 2024-07-02 07:55, Hongbo Li wrote:
On 2024/7/2 7:49, Steven Rostedt wrote:
On Wed, 12 Jun 2024 09:11:56 +0800
Hongbo Li wrote:
@@ -934,6 +943,12 @@ static int hugetlbfs_setattr(struct mnt_idmap
*idmap,
if (error)
return error;
+ trace_hugetlbfs_setattr(inode,
On 2024/7/2 7:49, Steven Rostedt wrote:
On Wed, 12 Jun 2024 09:11:56 +0800
Hongbo Li wrote:
@@ -934,6 +943,12 @@ static int hugetlbfs_setattr(struct mnt_idmap *idmap,
if (error)
return error;
+ trace_hugetlbfs_setattr(inode, dentry->d_name.len,
On Mon, Jul 01, 2024 at 03:39:23PM -0700, Andrii Nakryiko wrote:
> This patch set, ultimately, switches global uprobes_treelock from RW spinlock
> to per-CPU RW semaphore, which has better performance and scales better under
> contention and multiple parallel threads triggering lots of uprobes.
On Mon, Jul 01, 2024 at 03:39:27PM -0700, Andrii Nakryiko wrote:
> diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
> index 23449a8c5e7e..560cf1ca512a 100644
> --- a/kernel/events/uprobes.c
> +++ b/kernel/events/uprobes.c
> @@ -53,9 +53,10 @@
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