linux-kernel - Re: [PATCH 2/8] perf tools: Add gzip decompression support for kernel module

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Date:	Mon, 3 Nov 2014 14:54:18 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 2/8] perf tools: Add gzip decompression support for
 kernel module

On Mon, Nov 03, 2014 at 04:27:52PM +0900, Namhyung Kim wrote:

SNIP

>   #
>   # Overhead  Command          Shared Object                Symbol
>   # ........  ...............  ...........................  ......................................................
>   #
> 
>        0.04%  kworker/u16:3    [ext4]                       [k] ext4_read_block_bitmap
>        0.03%  kworker/u16:0    [mac80211]                   [k] ieee80211_sta_reset_beacon_monitor
>        0.02%  irq/50-iwlwifi   [mac80211]                   [k] ieee80211_get_bssid
>        0.02%  firefox          [e1000e]                     [k] __ew32_prepare
>        0.02%  swapper          [libahci]                    [k] ahci_handle_port_interrupt
>        0.02%  emacs            libglib-2.0.so.0.4000.0      [.] g_mutex_unlock
>        0.02%  swapper          [e1000e]                     [k] e1000_clean_tx_irq
>        0.02%  dwm              [kernel.kallsyms]            [k] __schedule
>        0.02%  gnome-terminal-  [vdso]                       [.] __vdso_clock_gettime
>        0.02%  swapper          [e1000e]                     [k] e1000_alloc_rx_buffers
>        0.02%  irq/50-iwlwifi   [mac80211]                   [k] ieee80211_rx
>        0.01%  firefox          [vdso]                       [.] __vdso_gettimeofday
>        0.01%  irq/50-iwlwifi   [iwlwifi]                    [k] iwl_pcie_rxq_restock.part.13
> 
> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
> ---
>  tools/perf/Makefile.perf                     |  7 +++
>  tools/perf/config/Makefile                   | 15 +++++-
>  tools/perf/config/feature-checks/Makefile    |  6 ++-
>  tools/perf/config/feature-checks/test-zlib.c |  9 ++++

missing update for feature-checks/test-all.c

thanks,
jirka
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