linux-kernel - Re: [PATCH 1/1] perf tools: perf diff for different binaries

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 31 Oct 2014 21:03:08 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	kan.liang@...el.com
Cc:	acme@...nel.org, jolsa@...nel.org, linux-kernel@...r.kernel.org,
	andi@...stfloor.org
Subject: Re: [PATCH 1/1] perf tools: perf diff for different binaries

> 
> If I run old perf diff with --sort dso,symbol, we cannot get any useful
> information for the user space binary. Furthermore, it failed to compare
> the kernel function. E.g. native_write_msr_safe.
> 
> perf diff -s dso,symbol --compute ratio v1_1_6perf.data v2_1_7perf.data

The new option needs to be documented in the manpage

(with a paragraph explaining that it allows comparison
between different versions of the binary)

-Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/