Re: [tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-03-13 Thread Tan Xiaojun
On 2017/3/14 2:35, Vince Weaver wrote: > On Sat, 25 Feb 2017, Peter Zijlstra wrote: > >> On Sat, Feb 25, 2017 at 04:10:37PM +0800, Tan Xiaojun wrote: >> >>> 2)If it is, where we will fix it more appropriate, perf_fuzzer(not set >>> 0 or 100) or kernel(limit 1 to 99), or maybe it is the bug of >>>

Re: [tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-03-13 Thread Vince Weaver
On Sat, 25 Feb 2017, Peter Zijlstra wrote: > On Sat, Feb 25, 2017 at 04:10:37PM +0800, Tan Xiaojun wrote: > > > 2)If it is, where we will fix it more appropriate, perf_fuzzer(not set > > 0 or 100) or kernel(limit 1 to 99), or maybe it is the bug of > > hardware(too many hardware interruptions)? >

Re: [tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-02-26 Thread Tan Xiaojun
On 2017/2/25 17:51, Peter Zijlstra wrote: > On Sat, Feb 25, 2017 at 04:10:37PM +0800, Tan Xiaojun wrote: > >> Recently I was using perf_fuzzer for testing in Hisilicon >> D03/D05(arm64, linux-4.10-rc1). >> >> As we know perf_fuzzer will write a random value to procfs interface >> of perf event(lik

Re: [tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-02-25 Thread Peter Zijlstra
On Sat, Feb 25, 2017 at 04:10:37PM +0800, Tan Xiaojun wrote: > Recently I was using perf_fuzzer for testing in Hisilicon > D03/D05(arm64, linux-4.10-rc1). > > As we know perf_fuzzer will write a random value to procfs interface > of perf event(like sysctl_perf_cpu_time_max_percent). The value may

Re: [tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-02-25 Thread Tan Xiaojun
Hi, Peter: First, thank you for your approval of my last patch and fix my bad description. And I have some questions about perf event and perf_fuzzer. Recently I was using perf_fuzzer for testing in Hisilicon D03/D05(arm64, linux-4.10-rc1). As we know perf_fuzzer will write a random value to p

[tip:perf/urgent] perf/core: Fix the perf_cpu_time_max_percent check

2017-02-24 Thread tip-bot for Tan Xiaojun
Commit-ID: 1572e45a924f254d9570093abde46430c3172e3d Gitweb: http://git.kernel.org/tip/1572e45a924f254d9570093abde46430c3172e3d Author: Tan Xiaojun AuthorDate: Thu, 23 Feb 2017 14:04:39 +0800 Committer: Ingo Molnar CommitDate: Fri, 24 Feb 2017 08:56:33 +0100 perf/core: Fix the perf_cpu_