Em Tue, Nov 17, 2015 at 12:38:37PM +0800, Wangnan (F) escreveu:
> On 2015/11/17 9:29, Arnaldo Carvalho de Melo wrote:
> >How about:
> >
> > # perf test -v BPF
> > 37: Test BPF filter:
> > 37.1: test a : Ok
> > 37.2: test b
Hi Arnaldo,
On 2015/11/17 9:29, Arnaldo Carvalho de Melo wrote:
[SNIP]
I've pushed everything to my perf/ebpf branch, please let me know if
what is there is acceptable, then it will be up to Ingo to decide where
to put this, if in perf/urgent for this merge window, or in perf/core,
for the next
On 2015/11/17 9:29, Arnaldo Carvalho de Melo wrote:
Em Mon, Nov 16, 2015 at 12:10:14PM +, Wang Nan escreveu:
This patch introduces a new BPF script to test BPF prologue. The new
script probes at null_lseek, which is the function pointer when we try
to lseek on '/dev/null'.
null_lseek is c
On 2015/11/17 9:29, Arnaldo Carvalho de Melo wrote:
Em Mon, Nov 16, 2015 at 12:10:14PM +, Wang Nan escreveu:
This patch introduces a new BPF script to test BPF prologue. The new
script probes at null_lseek, which is the function pointer when we try
to lseek on '/dev/null'.
null_lseek is c
Em Mon, Nov 16, 2015 at 12:10:14PM +, Wang Nan escreveu:
> This patch introduces a new BPF script to test BPF prologue. The new
> script probes at null_lseek, which is the function pointer when we try
> to lseek on '/dev/null'.
>
> null_lseek is chosen because it is a function pointer, so we d
This patch introduces a new BPF script to test BPF prologue. The new
script probes at null_lseek, which is the function pointer when we try
to lseek on '/dev/null'.
null_lseek is chosen because it is a function pointer, so we don't need
to consider inlining and LTO.
By extracting file->f_mode, bp
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