Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-09 Thread Jin, Yao
Hi Arnaldo, On 8/7/2020 8:28 PM, Arnaldo Carvalho de Melo wrote: Em Fri, Aug 07, 2020 at 09:16:29AM -0300, Arnaldo Carvalho de Melo escreveu: Em Fri, Aug 07, 2020 at 09:09:56AM -0300, Arnaldo Carvalho de Melo escreveu: Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-07 Thread Arnaldo Carvalho de Melo
Em Fri, Aug 07, 2020 at 09:16:29AM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, Aug 07, 2020 at 09:09:56AM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu: > > > Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escr

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-07 Thread Arnaldo Carvalho de Melo
Em Fri, Aug 07, 2020 at 09:09:56AM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu: > > > On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote: > > > > We rec

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-07 Thread Arnaldo Carvalho de Melo
Em Fri, Aug 07, 2020 at 09:08:24AM -0300, Arnaldo Carvalho de Melo escreveu: > Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu: > > On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote: > > > We received an error report that perf-record caused 'Segmentation fault' > > > on a newly s

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-07 Thread Arnaldo Carvalho de Melo
Em Thu, Aug 06, 2020 at 09:43:57PM +0200, Jiri Olsa escreveu: > On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote: > > We received an error report that perf-record caused 'Segmentation fault' > > on a newly system (e.g. on the new installed ubuntu). > > > > (gdb) backtrace > > #0 __read_o

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-06 Thread Jin, Yao
Hi Jiri, On 8/7/2020 3:43 AM, Jiri Olsa wrote: On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote: We received an error report that perf-record caused 'Segmentation fault' on a newly system (e.g. on the new installed ubuntu). (gdb) backtrace #0 __read_once_size (size=4, res=, p=0x14)

Re: [PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-06 Thread Jiri Olsa
On Wed, Aug 05, 2020 at 10:29:37AM +0800, Jin Yao wrote: > We received an error report that perf-record caused 'Segmentation fault' > on a newly system (e.g. on the new installed ubuntu). > > (gdb) backtrace > #0 __read_once_size (size=4, res=, p=0x14) at > /root/0-jinyao/acme/tools/include/li

[PATCH] perf record: Skip side-band event setup if HAVE_LIBBPF_SUPPORT is not set

2020-08-04 Thread Jin Yao
We received an error report that perf-record caused 'Segmentation fault' on a newly system (e.g. on the new installed ubuntu). (gdb) backtrace #0 __read_once_size (size=4, res=, p=0x14) at /root/0-jinyao/acme/tools/include/linux/compiler.h:139 #1 atomic_read (v=0x14) at /root/0-jinyao/acme/