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/openbmc/linux/tools/perf/pmu-events/arch/x86/graniterapids/
H A Dpipeline.json21 …is counted on a dedicated fixed counter, leaving the eight programmable counters available for oth…
29 …, leaving the four (eight when Hyperthreading is disabled) programmable counters available for oth…
36 …is counted on a dedicated fixed counter, leaving the eight programmable counters available for oth…
48 "BriefDescription": "Number of instructions retired. Fixed Counter - architectural event",
51 …- an Architectural PerfMon event. Counting continues during hardware interrupts, traps, and inside…
56 "BriefDescription": "Number of instructions retired. General Counter - architectural event",
60 …- an Architectural PerfMon event. Counting continues during hardware interrupts, traps, and inside…
72 … the Topdown Slots event that were not consumed by the back-end pipeline due to lack of back-end r…
75 …-end pipeline due to lack of back-end resources, as a result of memory subsystem delays, execution…
80 …"BriefDescription": "TMA slots available for an unhalted logical processor. Fixed counter - archit…
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/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-bus-pci-devices-aer_stats2 --------------------------
5 statistical counters indicate the errors "as seen/reported by the device".
7 counters may increment at its link partner (e.g. root port) because the
9 problematic endpoint itself (which may report all counters as 0 as it never
15 Contact: linux-pci@vger.kernel.org, rajatja@google.com
28 Advisory Non-Fatal 0
36 Contact: linux-pci@vger.kernel.org, rajatja@google.com
46 Surprise Down Error 0
66 Contact: linux-pci@vger.kernel.org, rajatja@google.com
76 Surprise Down Error 0
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/openbmc/linux/tools/testing/selftests/netfilter/
H A Dnft_flowtable.sh2 # SPDX-License-Identifier: GPL-2.0
7 # Originator (MTU 9000) <-Router1-> MTU 1500 <-Router2-> Responder (MTU 2000)
14 # nft_flowtable.sh -o8000 -l1500 -r2000
17 sfx=$(mktemp -u "XXXXXXXX")
18 ns1="ns1-$sfx"
19 ns2="ns2-$sfx"
20 nsr1="nsr1-$sfx"
21 nsr2="nsr2-$sfx"
23 # Kselftest framework requirement - SKIP code is 4.
31 log_netns=$(sysctl -n net.netfilter.nf_log_all_netns)
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/openbmc/linux/tools/perf/Documentation/
H A Dperf-stat.txt1 perf-stat(1)
5 ----
6 perf-stat - Run a command and gather performance counter statistics
9 --------
11 'perf stat' [-e <EVENT> | --event=EVENT] [-a] <command>
12 'perf stat' [-e <EVENT> | --event=EVENT] [-a] \-- <command> [<options>]
13 'perf stat' [-e <EVENT> | --event=EVENT] [-a] record [-o file] \-- <command> [<options>]
14 'perf stat' report [-i file]
17 -----------
23 -------
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H A Dtopdown.txt2 ---------------------
11 perf stat --topdown implements this using available metrics that vary
14 % perf stat -a --topdown -I1000
28 fixed counters and do not require generic counters. This allows
53 metric event, and allow user programs to read the performance counters.
84 int slots_fd = perf_event_open(&slots, 0, -1, -1, 0);
104 int metrics_fd = perf_event_open(&metrics, 0, -1, slots_fd, 0);
123 #define RDPMC_FIXED (1 << 30) /* return fixed counters */
124 #define RDPMC_METRIC (1 << 29) /* return metric counters */
147 _rdpmc calls should not be mixed with reading the metrics and slots counters
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/openbmc/linux/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/
H A Dcounters.rst1 .. SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
5 Ethtool counters
13 - `Overview`_
14 - `Groups`_
15 - `Types`_
16 - `Descriptions`_
22 addition, each group of counters may have different counter types.
27 ----------------------------------------
29 ---------------------------------------- ---------------------------------------- |
32 | ------------------- --------------- | | ------------------- --------------- | |
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/openbmc/u-boot/doc/
H A DREADME.t1040-l2switch6 VSC9953 is an 8-port Gigabit Ethernet switch supports the following features:
7 - 8192 MAC addresses
8 - Static Address provisioning
9 - Dynamic learning of MAC addresses and aging
10 - 4096 VLANs
11 - Independent and shared VLAN learning (IVL, SVL)
12 - Policing with storm control and MC/BC protection
13 - IPv4 and IPv6 multicast
14 - Jumbo frames (9.6 KB)
15 - Access Control List
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/openbmc/linux/tools/testing/selftests/net/forwarding/
H A Dvxlan_bridge_1d.sh2 # SPDX-License-Identifier: GPL-2.0
4 # +--------------------+ +----------------------+
8 # +----|---------------+ +--|-------------------+
10 # +----|--------------------------------------------------|-------------------+
12 # | +--|--------------------------------------------------|-----------------+ |
19 # | +-----------------------------------------------------------------------+ |
26 # +----|----------------------------------------------------------------------+
28 # +----|--------------------------------------------------------+
37 # +----|---------------------------------------|----------------+
39 # +----|------------------------------+ +----|------------------------------+
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H A Dvxlan_bridge_1q.sh2 # SPDX-License-Identifier: GPL-2.0
4 # +-----------------------+ +------------------------+
13 # +----|------------------+ +----|-------------------+
15 # +----|--------------------------------------------------|-------------------+
17 # | +--|--------------------------------------------------|-----------------+ |
27 # | +-----------------------------------------------------------------------+ |
34 # +----|----------------------------------------------------------------------+
36 # +----|--------------------------------------------------------+
45 # +----|---------------------------------------|----------------+
47 # +----|------------------------------+ +----|------------------------------+
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H A Dvxlan_bridge_1q_ipv6.sh2 # SPDX-License-Identifier: GPL-2.0
4 # +-----------------------+ +------------------------+
15 # +----|------------------+ +----|-------------------+
17 # +----|--------------------------------------------------|-------------------+
19 # | +--|--------------------------------------------------|-----------------+ |
31 # | +-----------------------------------------------------------------------+ |
38 # +----|----------------------------------------------------------------------+
40 # +----|----------------------------------------------------------+
49 # +----|---------------------------------------|------------------+
51 # +----|--------------------------------+ +----|-------------------------------+
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H A Dvxlan_bridge_1d_ipv6.sh2 # SPDX-License-Identifier: GPL-2.0
4 # +-----------------------+ +------------------------+
9 # +----|------------------+ +----|-------------------+
11 # +----|--------------------------------------------------|-------------------+
13 # | +--|--------------------------------------------------|-----------------+ |
20 # | +-----------------------------------------------------------------------+ |
27 # +----|----------------------------------------------------------------------+
29 # +----|----------------------------------------------------------+
38 # +----|---------------------------------------|------------------+
40 # +----|--------------------------------+ +----|-------------------------------+
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/openbmc/linux/arch/arm64/kernel/
H A Dtopology.c61 cpu_topology[cpu].thread_id = -1; in parse_acpi_topology()
102 pr_debug("CPU%d: counters are not supported.\n", cpu); in freq_counters_valid()
108 pr_debug("CPU%d: cycle counters are not enabled.\n", cpu); in freq_counters_valid()
122 return -EINVAL; in freq_inv_set_max_ratio()
126 * Pre-compute the fixed ratio between the frequency of the constant in freq_inv_set_max_ratio()
130 * arch_max_freq_scale = ---------- * SCHED_CAPACITY_SCALE² in freq_inv_set_max_ratio()
133 * We use a factor of 2 * SCHED_CAPACITY_SHIFT -> SCHED_CAPACITY_SCALE² in freq_inv_set_max_ratio()
135 * very low reference frequencies (down to the KHz range which should in freq_inv_set_max_ratio()
142 return -EINVAL; in freq_inv_set_max_ratio()
169 * scale = ------- * -------------------- in amu_scale_freq_tick()
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/openbmc/linux/tools/perf/
H A Ddesign.txt2 Performance Counters for Linux
3 ------------------------------
5 Performance counters are special hardware registers available on most modern
7 as instructions executed, cachemisses suffered, or branches mis-predicted -
8 without slowing down the kernel or applications. These registers can also
9 trigger interrupts when a threshold number of events have passed - and can
13 hardware capabilities. It provides per task and per CPU counters, counter
15 provides "virtual" 64-bit counters, regardless of the width of the
16 underlying hardware counters.
18 Performance counters are accessed via special file descriptors.
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/openbmc/linux/arch/mips/sibyte/common/
H A Dsb_tbprof.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2007 Ralf Baechle <ralf@linux-mips.org>
7 * written by Ralf Baechle <ralf@linux-mips.org>
85 * Routines for using 40-bit SCD cycle counter
89 * zclk_timer_init(0) at least every 2^40 - 1 ZCLKs.
145 u64 next = (1ULL << 40) - tb_period; in arm_tb()
156 * Unfortunately, in Pass 2 we must clear all counters to knock down in arm_tb()
158 * requires ALL of the SCD perf counters. in arm_tb()
162 /* keep counters 0,2,3,4,5,6,7 as is */ in arm_tb()
167 M_SPC_CFG_CLEAR | /* clear all counters */ in arm_tb()
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/openbmc/openbmc/meta-openembedded/meta-networking/recipes-support/linux-atm/linux-atm/
H A D0001-fix-compile-error-with-linux-kernel-v4.8.patch7 time.h, so when compile the zntune.c, it break down by errors:
16 Upstream-Status: Pending
18 Signed-off-by: Dengke Du <dengke.du@windriver.com>
19 ---
21 src/maint/zntune.c | 3 +--
22 2 files changed, 27 insertions(+), 2 deletions(-)
25 diff --git a/src/include/atm_zatm.h b/src/include/atm_zatm.h
28 --- /dev/null
30 @@ -0,0 +1,26 @@
41 + int ref_count; /* free buffer pool usage counters */
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/openbmc/linux/drivers/infiniband/ulp/opa_vnic/
H A Dopa_vnic_encap.h26 * - Redistributions of source code must retain the above copyright
28 * - Redistributions in binary form must reproduce the above copyright
32 * - Neither the name of Intel Corporation nor the names of its
84 #define OPA_VNIC_EMA_DATA (OPA_MGMT_MAD_SIZE - IB_MGMT_VENDOR_HDR)
118 * struct opa_vesw_info - OPA vnic switch information
119 * @fabric_id: 10-bit fabric id
120 * @vesw_id: 12-bit virtual ethernet switch id
155 * struct opa_per_veswport_info - OPA vnic per port information
171 * @non_vlan_sc_uc: sc for non-vlan unicast ethernet packets
172 * @non_vlan_vl_uc: vl for non-vlan unicast ethernet packets
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/openbmc/linux/tools/testing/selftests/drivers/net/mlxsw/
H A Dqos_mc_aware.sh2 # SPDX-License-Identifier: GPL-2.0
6 # MC load. This issue can be overcome by putting the switch to MC-aware mode.
8 # under MC flood, and therefore that the MC-aware mode is enabled and correctly
17 # So instead we send traffic with mausezahn and use RX ethtool counters at $h3.
19 # each gets a different priority and we can use per-prio ethtool counters to
28 # +---------------------------+ +----------------------------------+
30 # | | | unicast --> + $h2.111 |
32 # | traffic | | | e-qos-map 0:1 |
33 # | $h1 + <----- | | | |
35 # +---------------|-----------+ +--------------|-------------------+
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H A Dqos_defprio.sh2 # SPDX-License-Identifier: GPL-2.0
4 # Test for port-default priority. Non-IP packets ingress $swp1 and are
6 # rx_octets_prio_* counters are used to verify the prioritization.
8 # +----------------------------------+
12 # +----|-----------------------------+
14 # +----|-----------------------------+
18 # | dcb app default-prio <prio> |
19 # +----------------------------------+
50 dcb app flush dev $swp1 default-prio
52 ip link set dev $swp1 down
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/openbmc/linux/Documentation/ABI/stable/
H A Dsysfs-class-infiniband2 -------------------------------------------------
9 Contact: linux-rdma@vger.kernel.org
24 Contact: linux-rdma@vger.kernel.org
34 Contact: linux-rdma@vger.kernel.org
39 What: /sys/class/infiniband/<device>/ports/<port-num>/lid
40 What: /sys/class/infiniband/<device>/ports/<port-num>/rate
41 What: /sys/class/infiniband/<device>/ports/<port-num>/lid_mask_count
42 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_sl
43 What: /sys/class/infiniband/<device>/ports/<port-num>/sm_lid
44 What: /sys/class/infiniband/<device>/ports/<port-num>/state
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/openbmc/linux/mm/
H A DKconfig.debug1 # SPDX-License-Identifier: GPL-2.0-only
24 use-after-free). The error reports for these checks can be augmented
54 memory. This can make kmalloc/kfree-intensive workloads much slower.
79 "slub_debug=-".
94 for user-space helper.
142 bool "Enable tracepoint to track down page reference manipulation"
146 This is a feature to add tracepoint for tracking down page reference
154 bool "Testcase for the marking rodata read-only"
157 This option enables a testcase for the setting rodata read-only.
187 once the kernel has booted up - it's a one time check.
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/openbmc/linux/drivers/net/ethernet/intel/fm10k/
H A Dfm10k_common.c1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
7 * fm10k_get_bus_info_generic - Generic set PCI bus info
22 hw->bus_caps.width = fm10k_bus_width_pcie_x1; in fm10k_get_bus_info_generic()
25 hw->bus_caps.width = fm10k_bus_width_pcie_x2; in fm10k_get_bus_info_generic()
28 hw->bus_caps.width = fm10k_bus_width_pcie_x4; in fm10k_get_bus_info_generic()
31 hw->bus_caps.width = fm10k_bus_width_pcie_x8; in fm10k_get_bus_info_generic()
34 hw->bus_caps.width = fm10k_bus_width_unknown; in fm10k_get_bus_info_generic()
40 hw->bus_caps.speed = fm10k_bus_speed_2500; in fm10k_get_bus_info_generic()
43 hw->bus_caps.speed = fm10k_bus_speed_5000; in fm10k_get_bus_info_generic()
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/openbmc/linux/drivers/media/test-drivers/vivid/
H A Dvivid-kthread-touch.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * vivid-kthread-touch.c - touch capture thread support functions.
9 #include "vivid-core.h"
10 #include "vivid-kthread-touch.h"
11 #include "vivid-touch-cap.h"
18 spin_lock(&dev->slock); in vivid_thread_tch_cap_tick()
19 if (!list_empty(&dev->touch_cap_active)) { in vivid_thread_tch_cap_tick()
20 tch_cap_buf = list_entry(dev->touch_cap_active.next, in vivid_thread_tch_cap_tick()
22 list_del(&tch_cap_buf->list); in vivid_thread_tch_cap_tick()
25 spin_unlock(&dev->slock); in vivid_thread_tch_cap_tick()
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/openbmc/linux/Documentation/timers/
H A Dtimekeeping.rst10 If you grep through the kernel source you will find a number of architecture-
12 architecture-specific overrides of the sched_clock() function and some
17 on this timeline, providing facilities such as high-resolution timers.
19 provide an accurate delay source using hardware counters.
23 -------------
31 n bits which count from 0 to (2^n)-1 and then wraps around to 0 and start over.
36 shall be as stable and correct as possible as compared to a real-world wall
46 When the wall-clock accuracy of the clock source isn't satisfactory, there
48 the user-visible time to RTC clocks in the system or against networked time
73 register counts up or down, and the timer clock rate, and then conjure all
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/openbmc/u-boot/arch/arm/cpu/armv7/s5p-common/
H A Dpwm.c1 // SPDX-License-Identifier: GPL-2.0+
21 tcon = readl(&pwm->tcon); in pwm_enable()
24 writel(tcon, &pwm->tcon); in pwm_enable()
35 tcon = readl(&pwm->tcon); in pwm_disable()
38 writel(tcon, &pwm->tcon); in pwm_disable()
76 return -ERANGE; in pwm_config()
79 return -EINVAL; in pwm_config()
89 /* Note, counters count down */ in pwm_config()
91 tcmp = tcnt - tcmp; in pwm_config()
96 writel(tcnt, &pwm->tcntb0 + offset); in pwm_config()
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/openbmc/linux/drivers/scsi/elx/efct/
H A Defct_xport.c1 // SPDX-License-Identifier: GPL-2.0
35 xport->efct = efct; in efct_xport_alloc()
49 if (!efct->sess_debugfs_dir) { in efct_xport_init_debugfs()
50 efct->sess_debugfs_dir = debugfs_create_dir("sessions", in efct_xport_init_debugfs()
52 if (IS_ERR(efct->sess_debugfs_dir)) { in efct_xport_init_debugfs()
63 return -EIO; in efct_xport_init_debugfs()
69 debugfs_remove(efct->sess_debugfs_dir); in efct_xport_delete_debugfs()
70 efct->sess_debugfs_dir = NULL; in efct_xport_delete_debugfs()
83 struct efct *efct = xport->efct; in efct_xport_attach()
86 rc = efct_hw_setup(&efct->hw, efct, efct->pci); in efct_xport_attach()
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