* [PATCH 0/3] Add PM debug counters on top of PM counters @ 2008-10-07 13:33 Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 1/3] Add closures to clkdm_for_each Peter 'p2' De Schrijver 2008-10-10 10:23 ` [PATCH 0/3] Add PM debug counters on top of PM counters Kevin Hilman 0 siblings, 2 replies; 5+ messages in thread From: Peter 'p2' De Schrijver @ 2008-10-07 13:33 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver This patch provides the PM debug counters and time feature on top of the PM counters. Patch based on pm-1 branch + PM counters patch. Peter 'p2' De Schrijver (3): Add closures to clkdm_for_each Add pm-debug counters Hook into powerdomain code arch/arm/mach-omap2/clockdomain.c | 31 +----- arch/arm/mach-omap2/pm-debug.c | 153 ++++++++++++------------- arch/arm/mach-omap2/pm.h | 19 +--- arch/arm/mach-omap2/pm24xx.c | 2 +- arch/arm/mach-omap2/pm34xx.c | 13 +-- arch/arm/mach-omap2/powerdomain.c | 95 +++------------- arch/arm/plat-omap/include/mach/clockdomain.h | 3 +- arch/arm/plat-omap/include/mach/powerdomain.h | 14 ++- 8 files changed, 114 insertions(+), 216 deletions(-) ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 1/3] Add closures to clkdm_for_each 2008-10-07 13:33 [PATCH 0/3] Add PM debug counters on top of PM counters Peter 'p2' De Schrijver @ 2008-10-07 13:33 ` Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 2/3] Add pm-debug counters Peter 'p2' De Schrijver 2008-10-10 10:23 ` [PATCH 0/3] Add PM debug counters on top of PM counters Kevin Hilman 1 sibling, 1 reply; 5+ messages in thread From: Peter 'p2' De Schrijver @ 2008-10-07 13:33 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> --- arch/arm/mach-omap2/clockdomain.c | 31 ++---------------------- arch/arm/mach-omap2/pm24xx.c | 2 +- arch/arm/mach-omap2/pm34xx.c | 13 ++++------ arch/arm/plat-omap/include/mach/clockdomain.h | 3 +- 4 files changed, 11 insertions(+), 38 deletions(-) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 33290a7..f0f02a5 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -297,7 +297,8 @@ struct clockdomain *clkdm_lookup(const char *name) * anything else to indicate failure; or -EINVAL if the function pointer * is null. */ -int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)) +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), + void *user) { struct clockdomain *clkdm; int ret = 0; @@ -307,7 +308,7 @@ int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)) mutex_lock(&clkdm_mutex); list_for_each_entry(clkdm, &clkdm_list, node) { - ret = (*fn)(clkdm); + ret = (*fn)(clkdm, user); if (ret) break; } @@ -569,8 +570,6 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) else omap2_clkdm_wakeup(clkdm); - pm_dbg_clkdm_state_switch(clkdm); - pwrdm_clkdm_state_switch(clkdm); return 0; @@ -624,31 +623,7 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) else omap2_clkdm_sleep(clkdm); - pm_dbg_clkdm_state_switch(clkdm); - pwrdm_clkdm_state_switch(clkdm); return 0; } - -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) -#include <linux/debugfs.h> -#include <linux/seq_file.h> -int clkdm_dbg_show_counters(struct seq_file *s, void *unused) -{ - struct clockdomain *clkdm; - - list_for_each_entry(clkdm, &clkdm_list, node) { - if (strcmp(clkdm->name, "emu_clkdm") == 0 || - strcmp(clkdm->name, "wkup_clkdm") == 0) - continue; - seq_printf(s, "%s->%s (%d)", clkdm->name, - clkdm->pwrdm.ptr->name, - atomic_read(&clkdm->usecount)); - seq_printf(s, "\n"); - } - - return 0; -} - -#endif diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index 4be9385..3ec68f7 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -401,7 +401,7 @@ static void __init prcm_setup_regs(void) omap2_clkdm_sleep(gfx_clkdm); /* Enable clockdomain hardware-supervised control for all clkdms */ - clkdm_for_each(_pm_clkdm_enable_hwsup); + clkdm_for_each(_pm_clkdm_enable_hwsup, NULL); /* Enable clock autoidle for all domains */ cm_write_mod_reg(OMAP24XX_AUTO_CAM | diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 90e108b..2688086 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -174,8 +174,6 @@ static void omap_sram_idle(void) disable_smartreflex(SR1); disable_smartreflex(SR2); - pm_dbg_pre_suspend(); - pwrdm_pre_transition(); omap2_gpio_prepare_for_retention(); @@ -192,13 +190,12 @@ static void omap_sram_idle(void) omap2_gpio_resume_after_retention(); - pm_dbg_post_suspend(); + pwrdm_post_transition(); /* Enable smartreflex after WFI */ enable_smartreflex(SR1); enable_smartreflex(SR2); - pwrdm_post_transition(); } @@ -538,7 +535,7 @@ static void __init prcm_setup_regs(void) OCP_MOD, OMAP2_PRM_IRQENABLE_MPU_OFFSET); } -static int __init pwrdms_setup(struct powerdomain *pwrdm) +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { struct power_state *pwrst; @@ -558,7 +555,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm) return set_pwrdm_state(pwrst->pwrdm, pwrst->next_state); } -static int __init clkdms_setup(struct clockdomain *clkdm) +static int __init clkdms_setup(struct clockdomain *clkdm, void *unused) { omap2_clkdm_allow_idle(clkdm); return 0; @@ -584,13 +581,13 @@ int __init omap3_pm_init(void) goto err1; } - ret = pwrdm_for_each(pwrdms_setup); + ret = pwrdm_for_each(pwrdms_setup, NULL); if (ret) { printk(KERN_ERR "Failed to setup powerdomains\n"); goto err2; } - (void) clkdm_for_each(clkdms_setup); + (void) clkdm_for_each(clkdms_setup, NULL); mpu_pwrdm = pwrdm_lookup("mpu_pwrdm"); if (mpu_pwrdm == NULL) { diff --git a/arch/arm/plat-omap/include/mach/clockdomain.h b/arch/arm/plat-omap/include/mach/clockdomain.h index b9d0dd2..99ebd88 100644 --- a/arch/arm/plat-omap/include/mach/clockdomain.h +++ b/arch/arm/plat-omap/include/mach/clockdomain.h @@ -95,7 +95,8 @@ int clkdm_register(struct clockdomain *clkdm); int clkdm_unregister(struct clockdomain *clkdm); struct clockdomain *clkdm_lookup(const char *name); -int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)); +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), + void *user); struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm); void omap2_clkdm_allow_idle(struct clockdomain *clkdm); -- 1.5.6.3 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/3] Add pm-debug counters 2008-10-07 13:33 ` [PATCH 1/3] Add closures to clkdm_for_each Peter 'p2' De Schrijver @ 2008-10-07 13:33 ` Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 3/3] Hook into powerdomain code Peter 'p2' De Schrijver 0 siblings, 1 reply; 5+ messages in thread From: Peter 'p2' De Schrijver @ 2008-10-07 13:33 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> --- arch/arm/mach-omap2/pm-debug.c | 153 ++++++++++++------------- arch/arm/mach-omap2/pm.h | 19 +--- arch/arm/plat-omap/include/mach/powerdomain.h | 14 ++- 3 files changed, 87 insertions(+), 99 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 380a2a0..64d40c4 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -167,8 +167,8 @@ struct dentry *pm_dbg_dir; static int pm_dbg_init_done; enum { - PM_DBG_STATE_NOW = 0, - PM_DBG_STATE_PREV, + DEBUG_FILE_COUNTERS = 0, + DEBUG_FILE_TIMERS, }; struct pm_module_def { @@ -218,6 +218,13 @@ static const struct pm_module_def pm_dbg_reg_modules[] = { static void *pm_dbg_reg_set[PM_DBG_MAX_REG_SETS]; +static const char pwrdm_state_names[][4] = { + "OFF", + "RET", + "INA", + "ON" +}; + static int pm_dbg_get_regset_size(void) { static int regset_size; @@ -318,107 +325,96 @@ int pm_dbg_regset_save(int reg_set) return 0; } -static int _pm_dbg_state_switch(struct powerdomain *pwrdm, int flag) +void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) { s64 t; struct timespec now; - int prev; - int state; - if (pwrdm == NULL) - return -EINVAL; + if (!pm_dbg_init_done) + return ; - state = pwrdm_read_pwrst(pwrdm); + /* Update timer for previous state */ + getnstimeofday(&now); + t = timespec_to_ns(&now); - switch (flag) { - case PM_DBG_STATE_NOW: - prev = pwrdm->state; - break; - case PM_DBG_STATE_PREV: - prev = pwrdm_read_prev_pwrst(pwrdm); - if (pwrdm->state != prev) - pwrdm->state_counter[prev]++; - break; - default: - return -EINVAL; - } + pwrdm->state_timer[prev] += t - pwrdm->timer; - if (pm_dbg_init_done) { - /* Update timer for previous state */ - getnstimeofday(&now); - t = timespec_to_ns(&now); + pwrdm->timer = t; - pwrdm->state_timer[prev] += t - pwrdm->timer; +} - pwrdm->timer = t; +static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user) +{ + struct seq_file *s = (struct seq_file *)user; - if (state != prev) - pwrdm->state_counter[state]++; - } + if (strcmp(clkdm->name, "emu_clkdm") == 0 || + strcmp(clkdm->name, "wkup_clkdm") == 0) + return 0; - pwrdm->state = state; + seq_printf(s, "%s->%s (%d)", clkdm->name, + clkdm->pwrdm.ptr->name, + atomic_read(&clkdm->usecount)); + seq_printf(s, "\n"); return 0; } -int pm_dbg_pwrdm_state_switch(struct powerdomain *pwrdm) +static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user) { - return _pm_dbg_state_switch(pwrdm, PM_DBG_STATE_NOW); -} + struct seq_file *s = (struct seq_file *)user; + int i; -int pm_dbg_clkdm_state_switch(struct clockdomain *clkdm) -{ - if (clkdm != NULL && clkdm->pwrdm.ptr != NULL) { - pwrdm_wait_transition(clkdm->pwrdm.ptr); - return pm_dbg_pwrdm_state_switch(clkdm->pwrdm.ptr); - } + if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || + strcmp(pwrdm->name, "wkup_pwrdm") == 0) + return 0; - return -EINVAL; -} + if (pwrdm->state != pwrdm_read_pwrst(pwrdm)) + printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n", + pwrdm->name, pwrdm->state, pwrdm_read_pwrst(pwrdm)); -int pm_dbg_clk_state_switch(struct clk *clk) -{ - if (clk != NULL && clk->clkdm.ptr != NULL) - return pm_dbg_clkdm_state_switch(clk->clkdm.ptr); - return -EINVAL; -} + seq_printf(s, "%s (%s)", pwrdm->name, + pwrdm_state_names[pwrdm->state]); + for (i = 0; i < 4; i++) + seq_printf(s, ",%s:%d", pwrdm_state_names[i], + pwrdm->state_counter[i]); -static int pm_dbg_pre_suspend_cb(struct powerdomain *pwrdm) -{ - pwrdm_clear_all_prev_pwrst(pwrdm); - _pm_dbg_state_switch(pwrdm, PM_DBG_STATE_NOW); - return 0; -} + seq_printf(s, "\n"); -static int pm_dbg_post_suspend_cb(struct powerdomain *pwrdm) -{ - _pm_dbg_state_switch(pwrdm, PM_DBG_STATE_PREV); return 0; } -int pm_dbg_pre_suspend(void) +static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm, void *user) { - pwrdm_for_each(pm_dbg_pre_suspend_cb); + struct seq_file *s = (struct seq_file *)user; + int i; + + if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || + strcmp(pwrdm->name, "wkup_pwrdm") == 0) + return 0; + + pwrdm_state_switch(pwrdm); + + seq_printf(s, "%s (%s)", pwrdm->name, + pwrdm_state_names[pwrdm->state]); + + for (i = 0; i < 4; i++) + seq_printf(s, ",%s:%lld", pwrdm_state_names[i], + pwrdm->state_timer[i]); + + seq_printf(s, "\n"); + return 0; } -int pm_dbg_post_suspend(void) +static void pm_dbg_show_counters(struct seq_file *s, void *unused) { - pwrdm_for_each(pm_dbg_post_suspend_cb); - return 0; + pwrdm_for_each(pwrdm_dbg_show_counter, s); + clkdm_for_each(clkdm_dbg_show_counter, s); } -enum { - DEBUG_FILE_COUNTERS = 0, - DEBUG_FILE_TIMERS, -}; - -int pm_dbg_show_counters(struct seq_file *s, void *unused) +static void pm_dbg_show_timers(struct seq_file *s, void *unused) { - pwrdm_dbg_show_counters(s, unused); - clkdm_dbg_show_counters(s, unused); - - return 0; + pwrdm_for_each(pwrdm_dbg_show_timer, s); } static int pm_dbg_open(struct inode *inode, struct file *file) @@ -429,7 +425,7 @@ static int pm_dbg_open(struct inode *inode, struct file *file) &inode->i_private); case DEBUG_FILE_TIMERS: default: - return single_open(file, pwrdm_dbg_show_timers, + return single_open(file, pm_dbg_show_timers, &inode->i_private); }; } @@ -489,23 +485,18 @@ int pm_dbg_regset_init(int reg_set) return 0; } -static int __init pwrdms_setup(struct powerdomain *pwrdm) +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { - s64 t; int i; + s64 t; struct timespec now; getnstimeofday(&now); t = timespec_to_ns(&now); - for (i = 0; i < 4; i++) { - pwrdm->state_counter[i] = 0; + for (i = 0; i < 4; i++) pwrdm->state_timer[i] = 0; - } - pwrdm_wait_transition(pwrdm); - pwrdm->state = pwrdm_read_pwrst(pwrdm); - pwrdm->state_counter[pwrdm->state] = 1; pwrdm->timer = t; (void) debugfs_create_file(pwrdm->name, S_IRUGO|S_IWUSR, @@ -535,7 +526,7 @@ static int __init pm_dbg_init(void) if (IS_ERR(pm_dbg_dir)) return PTR_ERR(pm_dbg_dir); - pwrdm_for_each(pwrdms_setup); + pwrdm_for_each(pwrdms_setup, NULL); pm_dbg_dir = debugfs_create_dir("registers", d); if (IS_ERR(pm_dbg_dir)) diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 038931c..55a9cdd 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -31,32 +31,21 @@ extern int omap2_pm_debug; #define omap2_pm_debug 0 #endif +extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); + #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) struct seq_file; struct clk; struct clockdomain; struct powerdomain; -extern int pm_dbg_pwrdm_state_switch(struct powerdomain *pwrdm); -extern int pm_dbg_clkdm_state_switch(struct clockdomain *clkdm); -extern int pm_dbg_clk_state_switch(struct clk *clk); -extern int pm_dbg_pre_suspend(void); -extern int pm_dbg_post_suspend(void); extern int pm_dbg_regset_save(int reg_set); extern int pm_dbg_regset_init(int reg_set); -extern int pwrdm_dbg_show_counters(struct seq_file *s, void *unused); -extern int pwrdm_dbg_show_timers(struct seq_file *s, void *unused); extern int clkdm_dbg_show_counters(struct seq_file *s, void *unused); -extern int set_pwrdm_state(struct powerdomain *pwrdm, u32 state); +extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); #else -#define pm_dbg_pwrdm_state_switch(domain) do; while (0) -#define pm_dbg_clkdm_state_switch(domain) do; while (0) -#define pm_dbg_clk_state_switch(domain) do; while (0) -#define pm_dbg_pre_suspend() do; while (0) -#define pm_dbg_post_suspend() do; while (0) #define pm_dbg_regset_save(reg_set) do; while (0) #define pm_dbg_regset_init(reg_set) do; while (0) -#define pwrdm_dbg_show_counters(s,unused) do; while (0) -#define pwrdm_dbg_show_timers(s,unused) do; while (0) #define clkdm_dbg_show_counters(s,unused) do; while (0) +#define pm_dbg_update_time(pwrdm, prev) do; while (0) #endif /* CONFIG_PM_DEBUG */ #endif diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h index 1c27d7d..2d6f9a0 100644 --- a/arch/arm/plat-omap/include/mach/powerdomain.h +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -74,6 +74,11 @@ struct pwrdm_dep { int state; unsigned state_counter[4]; + +#ifdef CONFIG_PM_DEBUG + s64 timer; + s64 state_timer[4]; +#endif }; struct powerdomain { @@ -118,9 +123,11 @@ struct powerdomain { struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS]; struct list_head node; -#ifdef CONFIG_PM_DEBUG + int state; - int state_counter[4]; + unsigned state_counter[4]; + +#ifdef CONFIG_PM_DEBUG s64 timer; s64 state_timer[4]; #endif @@ -133,7 +140,8 @@ int pwrdm_register(struct powerdomain *pwrdm); int pwrdm_unregister(struct powerdomain *pwrdm); struct powerdomain *pwrdm_lookup(const char *name); -int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)); +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user), + void *user); int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); -- 1.5.6.3 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 3/3] Hook into powerdomain code 2008-10-07 13:33 ` [PATCH 2/3] Add pm-debug counters Peter 'p2' De Schrijver @ 2008-10-07 13:33 ` Peter 'p2' De Schrijver 0 siblings, 0 replies; 5+ messages in thread From: Peter 'p2' De Schrijver @ 2008-10-07 13:33 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> --- arch/arm/mach-omap2/powerdomain.c | 95 ++++++------------------------------ 1 files changed, 16 insertions(+), 79 deletions(-) diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 63ea29a..4ae7b01 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -35,6 +35,8 @@ #include <mach/powerdomain.h> #include <mach/clockdomain.h> +#include "pm.h" + enum { PWRDM_STATE_NOW = 0, PWRDM_STATE_PREV, @@ -134,19 +136,21 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) if (state != prev) pwrdm->state_counter[state]++; + pm_dbg_update_time(pwrdm, prev); + pwrdm->state = state; return 0; } -static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm) +static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm, void *unused) { pwrdm_clear_all_prev_pwrst(pwrdm); _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); return 0; } -static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm) +static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused) { _pwrdm_state_switch(pwrdm, PWRDM_STATE_PREV); return 0; @@ -179,9 +183,12 @@ void pwrdm_init(struct powerdomain **pwrdm_list) { struct powerdomain **p = NULL; - if (pwrdm_list) - for (p = pwrdm_list; *p; p++) + if (pwrdm_list) { + for (p = pwrdm_list; *p; p++) { pwrdm_register(*p); + _pwrdm_setup(*p); + } + } } /** @@ -279,7 +286,8 @@ struct powerdomain *pwrdm_lookup(const char *name) * anything else to indicate failure; or -EINVAL if the function * pointer is null. */ -int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user), + void *user) { struct powerdomain *temp_pwrdm; unsigned long flags; @@ -290,7 +298,7 @@ int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) read_lock_irqsave(&pwrdm_rwlock, flags); list_for_each_entry(temp_pwrdm, &pwrdm_list, node) { - ret = (*fn)(temp_pwrdm); + ret = (*fn)(temp_pwrdm, user); if (ret) break; } @@ -456,13 +464,13 @@ int pwrdm_clk_state_switch(struct clk *clk) int pwrdm_pre_transition(void) { - pwrdm_for_each(_pwrdm_pre_transition_cb); + pwrdm_for_each(_pwrdm_pre_transition_cb, NULL); return 0; } int pwrdm_post_transition(void) { - pwrdm_for_each(_pwrdm_post_transition_cb); + pwrdm_for_each(_pwrdm_post_transition_cb, NULL); return 0; } @@ -1203,74 +1211,3 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm) return 0; } - -#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) - -#include <linux/debugfs.h> -#include <linux/seq_file.h> -#include "pm.h" - -static const char pwrdm_state_names[][4] = { - "OFF", - "RET", - "INA", - "ON" -}; - -int pwrdm_dbg_show_counters(struct seq_file *s, void *unused) -{ - int i; - struct powerdomain *pwrdm; - unsigned long flags; - - read_lock_irqsave(&pwrdm_rwlock, flags); - list_for_each_entry(pwrdm, &pwrdm_list, node) { - if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || - strcmp(pwrdm->name, "wkup_pwrdm") == 0) - continue; - if (pwrdm->state != pwrdm_read_pwrst(pwrdm)) - printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n", - pwrdm->name, pwrdm->state, - pwrdm_read_pwrst(pwrdm)); - seq_printf(s, "%s (%s)", pwrdm->name, - pwrdm_state_names[pwrdm->state]); - for (i = 0; i < 4; i++) { - seq_printf(s, ",%s:%d", pwrdm_state_names[i], - pwrdm->state_counter[i]); - } - seq_printf(s, "\n"); - } - read_unlock_irqrestore(&pwrdm_rwlock, flags); - - return 0; -} - -int pwrdm_dbg_show_timers(struct seq_file *s, void *unused) -{ - int i; - struct powerdomain *pwrdm; - unsigned long flags; - - read_lock_irqsave(&pwrdm_rwlock, flags); - list_for_each_entry(pwrdm, &pwrdm_list, node) { - if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || - strcmp(pwrdm->name, "wkup_pwrdm") == 0) - continue; - - /* Update timer for current state */ - pm_dbg_pwrdm_state_switch(pwrdm); - - seq_printf(s, "%s (%s)", pwrdm->name, - pwrdm_state_names[pwrdm->state]); - for (i = 0; i < 4; i++) { - seq_printf(s, ",%s:%lld", pwrdm_state_names[i], - pwrdm->state_timer[i]); - } - seq_printf(s, "\n"); - } - read_unlock_irqrestore(&pwrdm_rwlock, flags); - - return 0; -} - -#endif -- 1.5.6.3 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 0/3] Add PM debug counters on top of PM counters 2008-10-07 13:33 [PATCH 0/3] Add PM debug counters on top of PM counters Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 1/3] Add closures to clkdm_for_each Peter 'p2' De Schrijver @ 2008-10-10 10:23 ` Kevin Hilman 1 sibling, 0 replies; 5+ messages in thread From: Kevin Hilman @ 2008-10-10 10:23 UTC (permalink / raw) To: Peter 'p2' De Schrijver; +Cc: linux-omap "Peter 'p2' De Schrijver" <peter.de-schrijver@nokia.com> writes: > This patch provides the PM debug counters and time feature on top of > the PM counters. Patch based on pm-1 branch + PM counters patch. Peter, Can you refresh these against l-o master + PM counters patch? Also, it would be helpful to have a more thorough desciption of each patch. Thanks, Kevin > Peter 'p2' De Schrijver (3): > Add closures to clkdm_for_each > Add pm-debug counters > Hook into powerdomain code > > arch/arm/mach-omap2/clockdomain.c | 31 +----- > arch/arm/mach-omap2/pm-debug.c | 153 ++++++++++++------------- > arch/arm/mach-omap2/pm.h | 19 +--- > arch/arm/mach-omap2/pm24xx.c | 2 +- > arch/arm/mach-omap2/pm34xx.c | 13 +-- > arch/arm/mach-omap2/powerdomain.c | 95 +++------------- > arch/arm/plat-omap/include/mach/clockdomain.h | 3 +- > arch/arm/plat-omap/include/mach/powerdomain.h | 14 ++- > 8 files changed, 114 insertions(+), 216 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2008-10-10 10:23 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2008-10-07 13:33 [PATCH 0/3] Add PM debug counters on top of PM counters Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 1/3] Add closures to clkdm_for_each Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 2/3] Add pm-debug counters Peter 'p2' De Schrijver 2008-10-07 13:33 ` [PATCH 3/3] Hook into powerdomain code Peter 'p2' De Schrijver 2008-10-10 10:23 ` [PATCH 0/3] Add PM debug counters on top of PM counters Kevin Hilman
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.