From 9f00b38e2d2776f928ba31941080c558755bf7eb Mon Sep 17 00:00:00 2001 From: Daniel J Blueman Date: Fri, 4 Mar 2016 16:12:27 +0800 Subject: [PATCH] Reduce OS noise by increasing various device polling intervals Signed-off-by: Daniel J Blueman --- drivers/edac/edac_pci_sysfs.c | 2 +- drivers/net/ethernet/broadcom/bnx2.c | 2 +- drivers/net/ethernet/broadcom/bnx2.h | 2 +- drivers/net/ethernet/intel/e1000/e1000_main.c | 2 +- drivers/net/ethernet/intel/e1000e/netdev.c | 2 +- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +- drivers/scsi/mpt3sas/mpt3sas_base.c | 2 +- drivers/usb/host/ohci-hcd.c | 2 +- drivers/video/console/fbcon.c | 8 ++++++-- mm/huge_memory.c | 2 +- mm/page-writeback.c | 2 +- mm/slab.c | 2 +- mm/vmstat.c | 2 +- net/ipv4/arp.c | 2 +- net/ipv4/route.c | 2 +- net/sched/sch_generic.c | 2 +- 16 files changed, 21 insertions(+), 17 deletions(-) diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c index 24d877f..2b685d1 100644 --- a/drivers/edac/edac_pci_sysfs.c +++ b/drivers/edac/edac_pci_sysfs.c @@ -21,7 +21,7 @@ static int check_pci_errors; /* default NO check PCI parity */ static int edac_pci_panic_on_pe; /* default NO panic on PCI Parity */ static int edac_pci_log_pe = 1; /* log PCI parity errors */ static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */ -static int edac_pci_poll_msec = 1000; /* one second workq period */ +static int edac_pci_poll_msec = 30000; /* one second workq period */ static atomic_t pci_parity_count = ATOMIC_INIT(0); static atomic_t pci_nonparity_count = ATOMIC_INIT(0); diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 8fc3f3c..7e3ddc7 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -69,7 +69,7 @@ #define RUN_AT(x) (jiffies + (x)) /* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (5*HZ) +#define TX_TIMEOUT (120*HZ) static char version[] = "QLogic " DRV_MODULE_NAME " Gigabit Ethernet Driver v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; diff --git a/drivers/net/ethernet/broadcom/bnx2.h b/drivers/net/ethernet/broadcom/bnx2.h index 380234d..94387aa4 100644 --- a/drivers/net/ethernet/broadcom/bnx2.h +++ b/drivers/net/ethernet/broadcom/bnx2.h @@ -6831,7 +6831,7 @@ struct bnx2 { /* End of fields used in the performance code paths. */ unsigned int current_interval; -#define BNX2_TIMER_INTERVAL HZ +#define BNX2_TIMER_INTERVAL 15*HZ #define BNX2_SERDES_AN_TIMEOUT (HZ / 3) #define BNX2_SERDES_FORCED_TIMEOUT (HZ / 10) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index fd7be86..43ea16f 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -1029,7 +1029,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->netdev_ops = &e1000_netdev_ops; e1000_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; + netdev->watchdog_timeo = 30 * HZ; netif_napi_add(netdev, &adapter->napi, e1000_clean, 64); strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1); diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 0a854a4..d92257b 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -7068,7 +7068,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* construct the net_device struct */ netdev->netdev_ops = &e1000e_netdev_ops; e1000e_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; + netdev->watchdog_timeo = 30 * HZ; netif_napi_add(netdev, &adapter->napi, e1000e_poll, 64); strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name)); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index aed8d02..57ab451 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -8678,7 +8678,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->netdev_ops = &ixgbe_netdev_ops; ixgbe_set_ethtool_ops(netdev); - netdev->watchdog_timeo = 5 * HZ; + netdev->watchdog_timeo = 30 * HZ; strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name)); /* Setup hw api */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 11393eb..9e70637 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -66,7 +66,7 @@ static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; -#define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ +#define FAULT_POLLING_INTERVAL 30000 /* in milliseconds */ /* maximum controller queue depth */ #define MAX_HBA_QUEUE_DEPTH 30000 diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 760cb57..06403ca 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -72,7 +72,7 @@ static const char hcd_name [] = "ohci_hcd"; #define STATECHANGE_DELAY msecs_to_jiffies(300) -#define IO_WATCHDOG_DELAY msecs_to_jiffies(275) +#define IO_WATCHDOG_DELAY msecs_to_jiffies(10000) #include "ohci.h" #include "pci-quirks.h" diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c index 92f3949..738b74d 100644 --- a/drivers/video/console/fbcon.c +++ b/drivers/video/console/fbcon.c @@ -395,7 +395,7 @@ static void fb_flashcursor(struct work_struct *work) get_color(vc, info, c, 0)); console_unlock(); } - +#ifdef SLOW static void cursor_timer_handler(unsigned long dev_addr) { struct fb_info *info = (struct fb_info *) dev_addr; @@ -404,9 +404,10 @@ static void cursor_timer_handler(unsigned long dev_addr) queue_work(system_power_efficient_wq, &info->queue); mod_timer(&ops->cursor_timer, jiffies + ops->cur_blink_jiffies); } - +#endif static void fbcon_add_cursor_timer(struct fb_info *info) { +#ifdef SLOW struct fbcon_ops *ops = info->fbcon_par; if ((!info->queue.func || info->queue.func == fb_flashcursor) && @@ -422,10 +423,12 @@ static void fbcon_add_cursor_timer(struct fb_info *info) add_timer(&ops->cursor_timer); ops->flags |= FBCON_FLAGS_CURSOR_TIMER; } +#endif } static void fbcon_del_cursor_timer(struct fb_info *info) { +#ifdef SLOW struct fbcon_ops *ops = info->fbcon_par; if (info->queue.func == fb_flashcursor && @@ -433,6 +436,7 @@ static void fbcon_del_cursor_timer(struct fb_info *info) del_timer_sync(&ops->cursor_timer); ops->flags &= ~FBCON_FLAGS_CURSOR_TIMER; } +#endif } #ifndef MODULE diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 62fe06b..7e8e1cb 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -54,7 +54,7 @@ unsigned long transparent_hugepage_flags __read_mostly = static unsigned int khugepaged_pages_to_scan __read_mostly = HPAGE_PMD_NR*8; static unsigned int khugepaged_pages_collapsed; static unsigned int khugepaged_full_scans; -static unsigned int khugepaged_scan_sleep_millisecs __read_mostly = 10000; +static unsigned int khugepaged_scan_sleep_millisecs __read_mostly = 120000; /* during fragmentation poll the hugepage allocator once every minute */ static unsigned int khugepaged_alloc_sleep_millisecs __read_mostly = 60000; static struct task_struct *khugepaged_thread __read_mostly; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d15d88c..9e6465c 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -98,7 +98,7 @@ unsigned long vm_dirty_bytes; /* * The interval between `kupdate'-style writebacks */ -unsigned int dirty_writeback_interval = 5 * 100; /* centiseconds */ +unsigned int dirty_writeback_interval = 30 * 100; /* centiseconds */ EXPORT_SYMBOL_GPL(dirty_writeback_interval); diff --git a/mm/slab.c b/mm/slab.c index 4765c97..07cd570 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -654,7 +654,7 @@ static void start_cpu_timer(int cpu) init_reap_node(cpu); INIT_DEFERRABLE_WORK(reap_work, cache_reap); schedule_delayed_work_on(cpu, reap_work, - __round_jiffies_relative(HZ, cpu)); + __round_jiffies_relative(15 * HZ, cpu)); } } diff --git a/mm/vmstat.c b/mm/vmstat.c index c54fd29..9ed98e4 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1381,7 +1381,7 @@ static const struct file_operations proc_vmstat_file_operations = { #ifdef CONFIG_SMP static struct workqueue_struct *vmstat_wq; static DEFINE_PER_CPU(struct delayed_work, vmstat_work); -int sysctl_stat_interval __read_mostly = HZ; +int sysctl_stat_interval __read_mostly = 30 * HZ; static cpumask_var_t cpu_stat_off; static void vmstat_update(struct work_struct *w) diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 59b3e0e..3457f89 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -178,7 +178,7 @@ struct neigh_table arp_tbl = { [NEIGH_VAR_LOCKTIME] = 1 * HZ, }, }, - .gc_interval = 30 * HZ, + .gc_interval = 300 * HZ, .gc_thresh1 = 128, .gc_thresh2 = 512, .gc_thresh3 = 1024, diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 02c6229..3e573c4 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2619,7 +2619,7 @@ void ip_rt_multicast_event(struct in_device *in_dev) } #ifdef CONFIG_SYSCTL -static int ip_rt_gc_interval __read_mostly = 60 * HZ; +static int ip_rt_gc_interval __read_mostly = 300 * HZ; static int ip_rt_gc_min_interval __read_mostly = HZ / 2; static int ip_rt_gc_elasticity __read_mostly = 8; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 16bc83b..dff29e3 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -318,7 +318,7 @@ void __netdev_watchdog_up(struct net_device *dev) { if (dev->netdev_ops->ndo_tx_timeout) { if (dev->watchdog_timeo <= 0) - dev->watchdog_timeo = 5*HZ; + dev->watchdog_timeo = 120*HZ; if (!mod_timer(&dev->watchdog_timer, round_jiffies(jiffies + dev->watchdog_timeo))) dev_hold(dev); -- 2.5.0