The driver uses #ifdef DEBUG_TIMING in order to conditionally print out timestamped debug messages. Unfortunately it adds the ifdefs all over the usage sites.
This patch cleans it up by adding a debug_timestamp() function which is compiled out if DEBUG_TIMING isn't present. This cleans up all the ugly ifdefs in the function logic. Cc: Corey Minyard <[email protected]> Cc: [email protected] Cc: Arnd Bergmann <[email protected]> Signed-off-by: John Stultz <[email protected]> --- v2: Caught a missed DEBUG_TIMING ifdef drivers/char/ipmi/ipmi_si_intf.c | 61 ++++++++++++++-------------------------- 1 file changed, 21 insertions(+), 40 deletions(-) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 967b73a..e54c02b 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -321,6 +321,18 @@ static int try_smi_init(struct smi_info *smi); static void cleanup_one_si(struct smi_info *to_clean); static void cleanup_ipmi_si(void); +#ifdef DEBUG_TIMING +void debug_timestamp(char *msg) +{ + struct timeval t; + + do_gettimeofday(&t); + pr_debug("**%s: %d.%9.9d\n", msg, t.tv_sec, t.tv_usec); +} +#else +#define debug_timestamp(x) +#endif + static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list); static int register_xaction_notifier(struct notifier_block *nb) { @@ -358,9 +370,6 @@ static void return_hosed_msg(struct smi_info *smi_info, int cCode) static enum si_sm_result start_next_msg(struct smi_info *smi_info) { int rv; -#ifdef DEBUG_TIMING - struct timeval t; -#endif if (!smi_info->waiting_msg) { smi_info->curr_msg = NULL; @@ -370,10 +379,7 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info) smi_info->curr_msg = smi_info->waiting_msg; smi_info->waiting_msg = NULL; -#ifdef DEBUG_TIMING - do_gettimeofday(&t); - printk(KERN_DEBUG "**Start2: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("Start2"); err = atomic_notifier_call_chain(&xaction_notifier_list, 0, smi_info); if (err & NOTIFY_STOP_MASK) { @@ -582,12 +588,8 @@ static void check_bt_irq(struct smi_info *smi_info, bool irq_on) static void handle_transaction_done(struct smi_info *smi_info) { struct ipmi_smi_msg *msg; -#ifdef DEBUG_TIMING - struct timeval t; - do_gettimeofday(&t); - printk(KERN_DEBUG "**Done: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("Done"); switch (smi_info->si_state) { case SI_NORMAL: if (!smi_info->curr_msg) @@ -929,17 +931,11 @@ static void sender(void *send_info, struct smi_info *smi_info = send_info; enum si_sm_result result; unsigned long flags; -#ifdef DEBUG_TIMING - struct timeval t; -#endif BUG_ON(smi_info->waiting_msg); smi_info->waiting_msg = msg; -#ifdef DEBUG_TIMING - do_gettimeofday(&t); - printk("**Enqueue: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("Enqueue"); if (smi_info->run_to_completion) { /* @@ -1128,15 +1124,10 @@ static void smi_timeout(unsigned long data) unsigned long jiffies_now; long time_diff; long timeout; -#ifdef DEBUG_TIMING - struct timeval t; -#endif spin_lock_irqsave(&(smi_info->si_lock), flags); -#ifdef DEBUG_TIMING - do_gettimeofday(&t); - printk(KERN_DEBUG "**Timer: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("Timer"); + jiffies_now = jiffies; time_diff = (((long)jiffies_now - (long)smi_info->last_timeout_jiffies) * SI_USEC_PER_JIFFY); @@ -1173,18 +1164,13 @@ static irqreturn_t si_irq_handler(int irq, void *data) { struct smi_info *smi_info = data; unsigned long flags; -#ifdef DEBUG_TIMING - struct timeval t; -#endif spin_lock_irqsave(&(smi_info->si_lock), flags); smi_inc_stat(smi_info, interrupts); -#ifdef DEBUG_TIMING - do_gettimeofday(&t); - printk(KERN_DEBUG "**Interrupt: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("Interrupt"); + smi_event_handler(smi_info, 0); spin_unlock_irqrestore(&(smi_info->si_lock), flags); return IRQ_HANDLED; @@ -2038,18 +2024,13 @@ static u32 ipmi_acpi_gpe(acpi_handle gpe_device, { struct smi_info *smi_info = context; unsigned long flags; -#ifdef DEBUG_TIMING - struct timeval t; -#endif spin_lock_irqsave(&(smi_info->si_lock), flags); smi_inc_stat(smi_info, interrupts); -#ifdef DEBUG_TIMING - do_gettimeofday(&t); - printk("**ACPI_GPE: %d.%9.9d\n", t.tv_sec, t.tv_usec); -#endif + debug_timestamp("ACPI_GPE"); + smi_event_handler(smi_info, 0); spin_unlock_irqrestore(&(smi_info->si_lock), flags); -- 1.9.1 ------------------------------------------------------------------------------ Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net _______________________________________________ Openipmi-developer mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openipmi-developer
