1 files changed, 83 insertions, 0 deletions

diff --git a/patches/boot_time_opt/0114-bootstats-add-printk-s-to-measure-boot-time-in-more-.patch b/patches/boot_time_opt/0114-bootstats-add-printk-s-to-measure-boot-time-in-more-.patch
new file mode 100644
index 0000000..c6bf036
--- /dev/null
+++ b/patches/boot_time_opt/0114-bootstats-add-printk-s-to-measure-boot-time-in-more-.patch
@@ -0,0 +1,83 @@
+From 3a1512b4ed3922f88936b95731aaff706e7286a9 Mon Sep 17 00:00:00 2001
+From: Arjan van de Ven <arjan@linux.intel.com>
+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 <arjan@linux.intel.com>
+
+Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>
+---
+ 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
+