/linux/drivers/hwtracing/stm/ |
H A D | heartbeat.c | 3 * Simple heartbeat STM source driver 30 static const char str[] = "heartbeat stm source driver is here to serve you"; 34 struct stm_heartbeat *heartbeat = container_of(hr, struct stm_heartbeat, in stm_heartbeat_hrtimer_handler() local 37 stm_source_write(&heartbeat->data, 0, str, sizeof str); in stm_heartbeat_hrtimer_handler() 38 if (heartbeat->active) in stm_heartbeat_hrtimer_handler() 41 return heartbeat->active ? HRTIMER_RESTART : HRTIMER_NORESTART; in stm_heartbeat_hrtimer_handler() 46 struct stm_heartbeat *heartbeat = in stm_heartbeat_link() local 49 heartbeat->active = 1; in stm_heartbeat_link() 50 hrtimer_start(&heartbeat->hrtimer, ms_to_ktime(interval_ms), in stm_heartbeat_link() 58 struct stm_heartbeat *heartbeat in stm_heartbeat_unlink() local [all...] |
/linux/drivers/gpu/drm/i915/gt/ |
H A D | intel_engine_heartbeat.c | 30 rq = engine->heartbeat.systole; in next_heartbeat() 37 * heartbeat periods (or to override the pre-emption timeout as well, in next_heartbeat() 62 mod_delayed_work(system_highpri_wq, &engine->heartbeat.work, delay + 1); in next_heartbeat() 83 if (!engine->heartbeat.systole && intel_engine_has_heartbeat(engine)) in idle_pulse() 84 engine->heartbeat.systole = i915_request_get(rq); in idle_pulse() 100 drm_dbg_printer(&engine->i915->drm, DRM_UT_DRIVER, "heartbeat"); in show_heartbeat() 104 "%s heartbeat not ticking\n", in show_heartbeat() 108 "%s heartbeat {seqno:%llx:%lld, prio:%d} not ticking\n", in show_heartbeat() 132 "stopped heartbeat on %s", in reset_engine() 136 static void heartbeat(struc function [all...] |
H A D | selftest_engine_heartbeat.c | 127 drm_printf(&m, "%s: no heartbeat pulse?\n", engine->name); in __live_idle_pulse() 141 drm_printf(&m, "%s: heartbeat pulse did not flush idle tasks\n", in __live_idle_pulse() 181 /* Check that heartbeat pulses flush the idle barriers */ in live_idle_pulse() 203 flush_delayed_work(&engine->heartbeat.work); in __live_heartbeat_off() 204 if (!delayed_work_pending(&engine->heartbeat.work)) { in __live_heartbeat_off() 205 pr_err("%s: heartbeat not running\n", in __live_heartbeat_off() 216 flush_delayed_work(&engine->heartbeat.work); in __live_heartbeat_off() 217 if (delayed_work_pending(&engine->heartbeat.work)) { in __live_heartbeat_off() 218 pr_err("%s: heartbeat still running\n", in __live_heartbeat_off() 224 if (READ_ONCE(engine->heartbeat in __live_heartbeat_off() [all...] |
/linux/drivers/misc/ibmasm/ |
H A D | heartbeat.c | 28 * Before responding to a heartbeat the driver checks if a panic has happened, 29 * if yes it suspends heartbeat, causing the service processor to reboot as 54 sp->heartbeat = ibmasm_new_command(sp, HEARTBEAT_BUFFER_SIZE); in ibmasm_heartbeat_init() 55 if (sp->heartbeat == NULL) in ibmasm_heartbeat_init() 66 ibmasm_wait_for_response(sp->heartbeat, IBMASM_CMD_TIMEOUT_NORMAL); in ibmasm_heartbeat_exit() 69 command_put(sp->heartbeat); in ibmasm_heartbeat_exit() 74 struct command *cmd = sp->heartbeat; in ibmasm_receive_heartbeat()
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/linux/drivers/watchdog/ |
H A D | rti_wdt.c | 26 /* Max heartbeat is calculated at 32kHz source clock */ 64 static int heartbeat; variable 141 /* 50% open window => 52% min heartbeat */ in rti_wdt_setup_hw_hb() 142 wdd->min_hw_heartbeat_ms = 520 * heartbeat + MAX_HW_ERROR; in rti_wdt_setup_hw_hb() 146 /* 25% open window => 77% min heartbeat */ in rti_wdt_setup_hw_hb() 147 wdd->min_hw_heartbeat_ms = 770 * heartbeat + MAX_HW_ERROR; in rti_wdt_setup_hw_hb() 151 /* 12.5% open window => 89.5% min heartbeat */ in rti_wdt_setup_hw_hb() 152 wdd->min_hw_heartbeat_ms = 895 * heartbeat + MAX_HW_ERROR; in rti_wdt_setup_hw_hb() 156 /* 6.5% open window => 95.5% min heartbeat */ in rti_wdt_setup_hw_hb() 157 wdd->min_hw_heartbeat_ms = 955 * heartbeat in rti_wdt_setup_hw_hb() [all...] |
H A D | max63xx_wdt.c | 31 static unsigned int heartbeat = DEFAULT_HEARTBEAT; variable 215 if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT) in max63xx_wdt_probe() 216 heartbeat = DEFAULT_HEARTBEAT; in max63xx_wdt_probe() 218 wdt->timeout = max63xx_select_timeout(table, heartbeat); in max63xx_wdt_probe() 220 dev_err(dev, "unable to satisfy %ds heartbeat request\n", in max63xx_wdt_probe() 221 heartbeat); in max63xx_wdt_probe() 243 dev_info(dev, "using %ds heartbeat with %ds initial delay\n", in max63xx_wdt_probe() 284 module_param(heartbeat, int, 0); 285 MODULE_PARM_DESC(heartbeat, [all...] |
H A D | pika_wdt.c | 34 /* Timer heartbeat (500ms) */ 39 static int heartbeat = WDT_HEARTBEAT; variable 40 module_param(heartbeat, int, 0); 41 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. " 102 pikawdt_private.next_heartbeat = jiffies + heartbeat * HZ; in pikawdt_keepalive() 198 heartbeat = new_value; in pikawdt_ioctl() 204 return put_user(heartbeat, p); in pikawdt_ioctl() 281 pr_info("initialized. heartbeat=%d sec (nowayout=%d)\n", in pikawdt_init() 282 heartbeat, nowayout); in pikawdt_init()
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H A D | nv_tco.c | 54 #define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat (2<heartbeat<39) */ 55 static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */ variable 56 module_param(heartbeat, int, 0); 57 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. (2<heartbeat<39, " 128 /* Write new heartbeat to watchdog */ in tco_timer_set_heartbeat() 143 heartbeat = t; in tco_timer_set_heartbeat() 255 return put_user(heartbeat, in nv_tco_ioctl() [all...] |
H A D | m54xx_wdt.c | 37 static unsigned int heartbeat = 30; /* (secs) Default is 0.5 minute */ variable 55 __raw_writel(MCF_GPT_GCIR_PRE(heartbeat*(MCF_BUSCLK/0xffff)) | in wdt_enable() 154 heartbeat = time; in m54xx_wdt_ioctl() 159 ret = put_user(heartbeat, (int *)arg); in m54xx_wdt_ioctl() 218 module_param(heartbeat, int, 0); 219 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds (default 30s)");
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H A D | at91sam9_wdt.c | 65 /* Timer heartbeat (500ms) */ 70 static int heartbeat; variable 71 module_param(heartbeat, int, 0); 72 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. " 88 unsigned long heartbeat; /* WDT heartbeat in jiffies */ member 126 mod_timer(&wdt->timer, jiffies + wdt->heartbeat); in at91_ping() 187 "heartbeat is too small for the system to handle it correctly\n"); in at91_wdt_init() 198 wdt->heartbeat = max_heartbeat / 4; in at91_wdt_init() 200 wdt->heartbeat in at91_wdt_init() [all...] |
H A D | shwdt.c | 59 * As such, we currently use a configurable heartbeat interval which defaults 61 * writes to the device before the next heartbeat is scheduled. If the daemon 67 #define WATCHDOG_HEARTBEAT 30 /* 30 sec default heartbeat */ 68 static int heartbeat = WATCHDOG_HEARTBEAT; /* in seconds */ variable 92 next_heartbeat = jiffies + (heartbeat * HZ); in sh_wdt_start() 152 next_heartbeat = jiffies + (heartbeat * HZ); in sh_wdt_keepalive() 167 heartbeat = t; in sh_wdt_set_heartbeat() 253 rc = sh_wdt_set_heartbeat(&sh_wdt_dev, heartbeat); in sh_wdt_probe() 259 "heartbeat value must be 1<=x<=3600, using %d\n", in sh_wdt_probe() 263 dev_info(&pdev->dev, "configured with heartbeat in sh_wdt_probe() [all...] |
H A D | pcwd_pci.c | 96 /* Watchdog's Dip Switch heartbeat values */ 137 #define WATCHDOG_HEARTBEAT 0 /* default heartbeat = 139 static int heartbeat = WATCHDOG_HEARTBEAT; variable 140 module_param(heartbeat, int, 0); 141 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. " 142 "(0<heartbeat<65536 or 0=delay-time from dip-switches, default=" 327 /* Write new heartbeat to watchdog */ in pcipcwd_set_heartbeat() 330 heartbeat = t; in pcipcwd_set_heartbeat() 332 pr_debug("New heartbeat in pcipcwd_set_heartbeat() [all...] |
H A D | pcwd.c | 20 * typedefs to replace them. Made heartbeat reset only available 148 /* Watchdog's Dip Switch heartbeat values */ 162 * every ~500ms. We try to set the internal heartbeat of the 200 /* default heartbeat = delay-time from dip-switches */ 202 static int heartbeat = WATCHDOG_HEARTBEAT; variable 203 module_param(heartbeat, int, 0); 204 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds. " 205 "(2 <= heartbeat <= 7200 or 0=delay-time from dip-switches, default=" 349 /* Reprogram internal heartbeat t in pcwd_show_card_info() [all...] |
H A D | stmp3xxx_rtc_wdt.c | 21 static int heartbeat = STMP3XXX_DEFAULT_TIMEOUT; variable 22 module_param(heartbeat, uint, 0); 23 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat period in seconds from 1 to " 97 stmp3xxx_wdd.timeout = clamp_t(unsigned, heartbeat, 1, STMP3XXX_MAX_TIMEOUT); in stmp3xxx_wdt_probe() 107 dev_info(dev, "initialized watchdog with heartbeat %ds\n", in stmp3xxx_wdt_probe()
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H A D | tegra_wdt.c | 66 static int heartbeat = WDT_HEARTBEAT; variable 67 module_param(heartbeat, int, 0); 68 MODULE_PARM_DESC(heartbeat, 209 wdd->timeout = heartbeat; in tegra_wdt_probe() 227 dev_info(dev, "initialized (heartbeat = %d sec, nowayout = %d)\n", in tegra_wdt_probe() 228 heartbeat, nowayout); in tegra_wdt_probe()
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H A D | wdt.c | 56 #define WD_TIMO 60 /* Default heartbeat = 60 seconds */ 58 static int heartbeat = WD_TIMO; variable 60 module_param(heartbeat, int, 0); 61 MODULE_PARM_DESC(heartbeat, 62 "Watchdog heartbeat in seconds. (0 < heartbeat < 65536, default=" 156 * Reload counter one with the watchdog heartbeat. We don't bother 175 * @t: the new heartbeat value that needs to be set. 177 * Set a new heartbeat value for the watchdog device. If the heartbeat [all...] |
H A D | wdt_pci.c | 68 #define WD_TIMO 60 /* Default heartbeat = 60 seconds */ 70 static int heartbeat = WD_TIMO; variable 72 module_param(heartbeat, int, 0); 73 MODULE_PARM_DESC(heartbeat, 74 "Watchdog heartbeat in seconds. (0<heartbeat<65536, default=" 187 * Reload counter one with the watchdog heartbeat. We don't bother 210 * @t: the new heartbeat value that needs to be set. 212 * Set a new heartbeat value for the watchdog device. If the heartbeat [all...] |
H A D | moxart_wdt.c | 31 static int heartbeat; variable 128 watchdog_init_timeout(&moxart_wdt->dev, heartbeat, dev); in moxart_wdt_probe() 139 dev_dbg(dev, "Watchdog enabled (heartbeat=%d sec, nowayout=%d)\n", in moxart_wdt_probe() 160 module_param(heartbeat, int, 0); 161 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds");
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H A D | pnx4008_wdt.c | 77 static unsigned int heartbeat; variable 187 watchdog_init_timeout(&pnx4008_wdd, heartbeat, dev); in pnx4008_wdt_probe() 210 dev_info(dev, "heartbeat %d sec\n", pnx4008_wdd.timeout); in pnx4008_wdt_probe() 237 module_param(heartbeat, uint, 0); 238 MODULE_PARM_DESC(heartbeat, 239 "Watchdog heartbeat period in seconds from 1 to "
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H A D | intel_oc_wdt.c | 47 static int heartbeat; variable 48 module_param(heartbeat, uint, 0); 49 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. (default=" 151 "Register access locked, heartbeat fixed at: %u s\n", in intel_oc_wdt_setup() 200 watchdog_init_timeout(wdd, heartbeat, dev); in intel_oc_wdt_probe()
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H A D | bcm2835_wdt.c | 54 static unsigned int heartbeat; variable 187 watchdog_init_timeout(&bcm2835_wdt_wdd, heartbeat, dev); in bcm2835_wdt_probe() 194 * heartbeat parameter or the value in device in bcm2835_wdt_probe() 237 module_param(heartbeat, uint, 0); 238 MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds");
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H A D | jz4740_wdt.c | 32 static unsigned int heartbeat = DEFAULT_HEARTBEAT; variable 33 module_param(heartbeat, uint, 0); 34 MODULE_PARM_DESC(heartbeat, 35 "Watchdog heartbeat period in seconds from 1 to " 171 jz4740_wdt->timeout = clamp(heartbeat, in jz4740_wdt_probe()
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H A D | airoha_wdt.c | 44 static int heartbeat = WDT_HEARTBEAT; variable 45 module_param(heartbeat, int, 0); 46 MODULE_PARM_DESC(heartbeat, "Watchdog heartbeats in seconds. (default=" 153 wdog_dev->timeout = heartbeat; in airoha_wdt_probe()
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/linux/Documentation/watchdog/ |
H A D | watchdog-parameters.rst | 100 heartbeat: 143 heartbeat: 144 Watchdog heartbeat period in seconds from 1 to 600, default 60 194 heartbeat: 195 Watchdog heartbeat in seconds. (1<heartbeat<2046, default=30) 203 heartbeat: 204 Watchdog heartbeat in seconds. 205 (2<heartbeat<39 (TCO v1) or 613 (TCO v2), default=30) 286 heartbeat [all...] |
/linux/Documentation/ABI/testing/ |
H A D | debugfs-driver-qat | 12 What: /sys/kernel/debug/qat_<device>_<BDF>/heartbeat/config 32 What: /sys/kernel/debug/qat_<device>_<BDF>/heartbeat/queries_failed 41 What: /sys/kernel/debug/qat_<device>_<BDF>/heartbeat/queries_sent 51 What: /sys/kernel/debug/qat_<device>_<BDF>/heartbeat/status 85 What: /sys/kernel/debug/qat_<device>_<BDF>/heartbeat/inject_error 89 Description: (WO) Write to inject an error that simulates an heartbeat 93 random engine and disables the fetching of heartbeat counters. 96 `heartbeat/status` attribute might report -1, i.e. device 109 # echo 1 > heartbeat/inject_error
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