From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Thu, 11 Oct 2012 15:17:35 -0500 Subject: [PATCH] Boottime: A tool for automatic measurement of kernel/bootloader boot time In-Reply-To: <1349966545-19340-1-git-send-email-lee.jones@linaro.org> References: <1349966545-19340-1-git-send-email-lee.jones@linaro.org> Message-ID: <20121011201735.GA15313@kahuna> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 15:42-20121011, Lee Jones wrote: > From: Jonas Aaberg > > The overhead is very low and the results will be found under > sysfs/bootime, as well as detailed results in debugfs under > boottime/. The bootgraph* files are compatible with > scripts/bootgraph.pl. The reason for this patch is to provide > data (sysfs/boottime) suitable for automatic testcases as > well as help for developers to reduce the boot time (debugfs). Tried master: 250d8 Merge branch 'i2c-embedded/for-next' of git://git.pengutronix.de/git/wsa/linux and v3.6-rc7 with omap2plus_defconfig + CONFIG_BOOTTIME enabled: init/boottime.c:47:9: error: ?cpu_usage_stat? defined as wrong kind of tag init/boottime.c:47:24: error: array type has incomplete element type init/boottime.c: In function ?boottime_mark_core?: init/boottime.c:127:313: error: ?struct kernel_stat? has no member named ?cpustat? init/boottime.c:128:311: error: ?struct kernel_stat? has no member named ?cpustat? init/boottime.c:129:313: error: ?struct kernel_stat? has no member named ?cpustat? init/boottime.c:130:310: error: ?struct kernel_stat? has no member named ?cpustat? if it depended on some other patch or a specific maintainer branch, it was'nt clear. -- Regards, Nishanth Menon