From 3a1512b4ed3922f88936b95731aaff706e7286a9 Mon Sep 17 00:00:00 2001 From: Arjan van de Ven Date: Wed, 11 Feb 2015 16:05:23 -0600 Subject: [PATCH 114/124] bootstats: add printk's to measure boot time in more detail Few distro-tweaks to add printk's to visualize boot time better Author: Arjan van de Ven Signed-off-by: Miguel Bernal Marin --- arch/x86/kernel/alternative.c | 4 ++++ drivers/base/firmware_class.c | 2 ++ init/main.c | 2 +- kernel/kmod.c | 2 ++ 4 files changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c index 5cb272a7a5a3..d28fb7aae4ce 100644 --- a/arch/x86/kernel/alternative.c +++ b/arch/x86/kernel/alternative.c @@ -626,7 +626,9 @@ void __init alternative_instructions(void) * patching. */ + printk("clr: Applying alternatives\n"); apply_alternatives(__alt_instructions, __alt_instructions_end); + printk("clr: Applying alternatives done\n"); #ifdef CONFIG_SMP /* Patch to UP if other cpus not imminent. */ @@ -637,6 +639,8 @@ void __init alternative_instructions(void) _text, _etext); } + printk("clr: Applying alternatives smp done\n"); + if (!uniproc_patched || num_possible_cpus() == 1) free_init_pages("SMP alternatives", (unsigned long)__smp_locks, diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index a95e1e572697..b29467031be6 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -1224,6 +1224,8 @@ request_firmware(const struct firmware **firmware_p, const char *name, { int ret; + printk("clr: request_firmware: %s\n", name); + /* Need to pin this module until return */ __module_get(THIS_MODULE); ret = _request_firmware(firmware_p, name, device, NULL, 0, diff --git a/init/main.c b/init/main.c index 2858be732f6d..f1d8c3fdbf05 100644 --- a/init/main.c +++ b/init/main.c @@ -751,7 +751,7 @@ static int __init_or_module do_one_initcall_debug(initcall_t fn) unsigned long long duration; int ret; - printk(KERN_DEBUG "calling %pF @ %i\n", fn, task_pid_nr(current)); + printk(KERN_DEBUG "calling %pF @ %i\n", fn, raw_smp_processor_id()); calltime = ktime_get(); ret = fn(); rettime = ktime_get(); diff --git a/kernel/kmod.c b/kernel/kmod.c index 0277d1216f80..dc5a6edd3895 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -76,6 +76,8 @@ static int call_modprobe(char *module_name, int wait) NULL }; + printk("clr: call_modprobe: %s %i \n", module_name, wait); + char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL); if (!argv) goto out; -- 2.11.1