On 2016/6/17 5:47, Arnaldo Carvalho de Melo wrote:
Em Wed, Jun 15, 2016 at 02:23:34AM +, Wang Nan escreveu:
Before this patch, when using overwritable ring buffer on an old
kernel, error message is misleading:
# ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
Error:
The
On 2016/6/17 5:47, Arnaldo Carvalho de Melo wrote:
Em Wed, Jun 15, 2016 at 02:23:34AM +, Wang Nan escreveu:
Before this patch, when using overwritable ring buffer on an old
kernel, error message is misleading:
# ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
Error:
The
Em Wed, Jun 15, 2016 at 02:23:34AM +, Wang Nan escreveu:
> Before this patch, when using overwritable ring buffer on an old
> kernel, error message is misleading:
>
> # ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
> Error:
> The raw_syscalls:sys_enter event is not supported.
>
>
Em Wed, Jun 15, 2016 at 02:23:34AM +, Wang Nan escreveu:
> Before this patch, when using overwritable ring buffer on an old
> kernel, error message is misleading:
>
> # ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
> Error:
> The raw_syscalls:sys_enter event is not supported.
>
>
Before this patch, when using overwritable ring buffer on an old
kernel, error message is misleading:
# ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
Error:
The raw_syscalls:sys_enter event is not supported.
This patch output clear error message to tell user his/her kernel
is too old:
Before this patch, when using overwritable ring buffer on an old
kernel, error message is misleading:
# ~/perf record -m 1 -e raw_syscalls:*/overwrite/ -a
Error:
The raw_syscalls:sys_enter event is not supported.
This patch output clear error message to tell user his/her kernel
is too old:
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