Re: [PATCH] tools/rcu: Add new APIs to rcu-updaters.sh

[Joel Fernandes <joelagnelf@nvidia.com>]

On Sat, Oct 10, 2026 at 12:17:31PM +0000, Zqiang wrote:
> > 
> > > 
> > > On Oct 10, 2026, at 4:31 AM, Zqiang <qiang.zhang@linux.dev> wrote:
> > >  
> > >  The following commit introduces some new APIs:
> > >  
> > >  commit 'dab06d6f9379 ("srcutree: Add an atomic Tree SRCU")'
> > >  commit '8df13f01608e ("rcu: Add full-sized polling for cond_sync_exp_full()")'
> > >  commit 'd96c52fe4907 (rcu: Add polled expedited grace-period primitives)'
> > >  
> > >  synchronize_srcu_atomic(), cond_synchronize_rcu_expedited() and
> > >  cond_synchronize_rcu_expedited_full().
> > >  
> > >  Sample output when running rcutorture:
> > >  
> > >  @counts[synchronize_srcu]: 48
> > >  @counts[synchronize_rcu_expedited]: 74
> > >  @counts[synchronize_rcu]: 102
> > >  @counts[poll_state_synchronize_rcu_full]: 443
> > >  @counts[call_rcu]: 2498
> > >  @counts[synchronize_srcu_atomic]: 8717
> > >  @counts[poll_state_synchronize_srcu]: 14849
> > >  
> > >  @counts[call_srcu]: 22
> > >  @counts[synchronize_rcu]: 103
> > >  @counts[start_poll_synchronize_rcu]: 1093
> > >  @counts[cond_synchronize_rcu_expedited]: 5339
> > >  @counts[cond_synchronize_rcu_expedited_full]: 5375
> > >  @counts[synchronize_rcu_expedited]: 8134
> > >  @counts[get_state_synchronize_rcu_full]: 17248
> > >  @counts[get_state_synchronize_rcu]: 17266
> > >  @counts[call_rcu]: 119168
> > >  
> > >  This commit therefore add thems to rcu-updaters.sh script.
> > >  
> > >  Signed-off-by: Zqiang <qiang.zhang@linux.dev>
> > >  ---
> > > 
> > Nice, Thanks!, Could you update the documentation too and include in this series?
> 
> Hi, Joel
> 
> I have already send patch for the Doc API update separately.
> 

Yep, I see it now.

Applying this and other one for 7.5.

Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>

thanks,

Joel Fernandes



> Thanks
> Zqiang
> 
> > 
> > > 
> > > tools/rcu/rcu-updaters.sh | 3 +++
> > >  1 file changed, 3 insertions(+)
> > >  
> > >  diff --git a/tools/rcu/rcu-updaters.sh b/tools/rcu/rcu-updaters.sh
> > >  index 8a5df3f22550..a0f03a144f6a 100755
> > >  --- a/tools/rcu/rcu-updaters.sh
> > >  +++ b/tools/rcu/rcu-updaters.sh
> > >  @@ -34,6 +34,7 @@ bpftrace -e 'kprobe:kvfree_call_rcu,
> > >  kprobe:synchronize_rcu_tasks_trace,
> > >  kprobe:synchronize_srcu,
> > >  kprobe:synchronize_srcu_expedited,
> > >  + kprobe:synchronize_srcu_atomic,
> > >  kprobe:get_state_synchronize_rcu,
> > >  kprobe:get_state_synchronize_rcu_full,
> > >  kprobe:start_poll_synchronize_rcu,
> > >  @@ -44,6 +45,8 @@ bpftrace -e 'kprobe:kvfree_call_rcu,
> > >  kprobe:poll_state_synchronize_rcu_full,
> > >  kprobe:cond_synchronize_rcu,
> > >  kprobe:cond_synchronize_rcu_full,
> > >  + kprobe:cond_synchronize_rcu_expedited,
> > >  + kprobe:cond_synchronize_rcu_expedited_full,
> > >  kprobe:start_poll_synchronize_srcu,
> > >  kprobe:poll_state_synchronize_srcu,
> > >  kprobe:rcu_gp_init
> > > 
> > Ack on this patch.
> > 
> > > 
> > > --
> > >  2.17.1
> > >
> >