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/Linux-v5.4/arch/s390/include/asm/
Ddebug.h3 * S/390 debug facility
15 #include <uapi/asm/debug.h>
17 #define DEBUG_MAX_LEVEL 6 /* debug levels range from 0 to 6 */
18 #define DEBUG_OFF_LEVEL -1 /* level where debug is switched off */
22 #define DEBUG_DEFAULT_LEVEL 3 /* initial debug level */
24 #define DEBUG_DIR_ROOT "s390dbf" /* name of debug root directory in proc fs */
96 /* Debug Feature API: */
114 * debug_level_enabled() - Returns true if debug events for the specified
117 * @id: handle for debug log
118 * @level: debug level
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/Linux-v5.4/Documentation/s390/
Ds390dbf.rst2 S390 Debug Feature
6 - arch/s390/kernel/debug.c
7 - arch/s390/include/asm/debug.h
11 The goal of this feature is to provide a kernel debug logging API
13 (e.g. device drivers) can have one separate debug log.
14 One purpose of this is to inspect the debug logs after a production system crash
18 it is possible to look at the debug logs on a live system via the Linux
21 The debug feature may also very useful for kernel and driver development.
25 Kernel components (e.g. device drivers) can register themselves at the debug
28 debug log for the caller. For each debug log exists a number of debug areas
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/Linux-v5.4/Documentation/trace/
Dcoresight-cpu-debug.rst2 Coresight CPU Debug Module
11 Coresight CPU debug module is defined in ARMv8-a architecture reference manual
12 (ARM DDI 0487A.k) Chapter 'Part H: External debug', the CPU can integrate
13 debug module and it is mainly used for two modes: self-hosted debug and
14 external debug. Usually the external debug mode is well known as the external
16 explore debugging method which rely on self-hosted debug mode, this document
19 The debug module provides sample-based profiling extension, which can be used
21 every CPU has one dedicated debug module to be connected. Based on self-hosted
22 debug mechanism, Linux kernel can access these related registers from mmio
36 - At the time this documentation was written, the debug driver mainly relies on
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/Linux-v5.4/Documentation/driver-api/usb/
Dusb3-debug-port.rst2 USB3 debug port
11 This is a HOWTO for using the USB3 debug port on x86 systems.
14 debug port, you need to::
16 1) check whether any USB3 debug port is available in
24 The xHCI debug capability (DbC) is an optional but standalone
28 When DbC is initialized and enabled, it will present a debug
29 device through the debug port (normally the first USB3
30 super-speed port). The debug device is fully compliant with
32 performance full-duplex serial link between the debug target
33 (the system under debugging) and a debug host.
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/Linux-v5.4/include/linux/wimax/
Ddebug.h4 * Collection of tools to manage debug operations.
14 * debug action (like printing a message) if the current debug level
22 * A call to d_test(L) (L being the target debug level) returns true
23 * if the action should be taken because the current debug levels
30 * DEBUG LEVELS
34 * Convention sets 0 as "no debug" (so an action marked as debug level 0
35 * will always be taken). The increasing debug levels are used for
48 * - a debug-levels.h header file that declares the list of
52 * - some (optional) .c code to manipulate the runtime debug levels
55 * The debug-levels.h file would look like:
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/Linux-v5.4/arch/arm/
DKconfig.debug132 Say Y here if you want the debug print routines to direct
190 Say Y here if you want the debug print routines to direct
219 Say Y here if you want the debug print routines to direct
229 This low level debug works for Broadcom
238 bool "Marvell Berlin SoC Debug UART"
246 bool "Use BRCMSTB UART for low-level debug"
249 Say Y here if you want the debug print routines to direct
261 Say Y here if you want the debug print routines to direct
268 Say Y here if you want the debug print routines to direct
276 Say Y here if you want the debug print routines to direct
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/Linux-v5.4/Documentation/devicetree/bindings/arm/
Dcoresight-cpu-debug.txt1 * CoreSight CPU Debug Component:
3 CoreSight CPU debug component are compliant with the ARMv8 architecture
4 reference manual (ARM DDI 0487A.k) Chapter 'Part H: External debug'. The
5 external debug module is mainly used for two modes: self-hosted debug and
6 external debug, and it can be accessed from mmio region from Coresight
7 and eventually the debug module connects with CPU for debugging. And the
8 debug module provides sample-based profiling extension, which can be used
10 usually every CPU has one dedicated debug module to be connected.
14 - compatible : should be "arm,coresight-cpu-debug"; supplemented with
25 mandatory. The interface between the debug logic and the
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/Linux-v5.4/Documentation/fault-injection/
Dfault-injection.rst32 debugfs entries under /sys/kernel/debug/mmc0/fail_mmc_request
38 under /sys/kernel/debug/fail_function. No boot option supported.
43 debugfs entries under /sys/kernel/debug/nvme*/fault_inject. The default
57 - /sys/kernel/debug/fail*/probability:
65 /sys/kernel/debug/fail*/interval for such testcases.
67 - /sys/kernel/debug/fail*/interval:
75 - /sys/kernel/debug/fail*/times:
80 - /sys/kernel/debug/fail*/space:
86 - /sys/kernel/debug/fail*/verbose
93 to debug the problems revealed by fault injection.
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/Linux-v5.4/Documentation/admin-guide/wimax/
Dwimax.rst44 files will appear in /sys/kernel/debug/wimax:wmxX can tweak for
47 2.1. Obtaining debug information: debugfs entries
50 The WiMAX stack is compiled, by default, with debug messages that can
54 debug settings.
60 2.1.1. Increasing debug output
63 The files named *dl_* indicate knobs for controlling the debug output
66 # find /sys/kernel/debug/wimax\:wmx0 -name \*dl_\*
67 /sys/kernel/debug/wimax:wmx0/wimax_dl_stack
68 /sys/kernel/debug/wimax:wmx0/wimax_dl_op_rfkill
69 /sys/kernel/debug/wimax:wmx0/wimax_dl_op_reset
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Di2400m.rst162 5.2. Debug operations: debugfs entries
166 debug settings. There are three main container directories where
170 * /sys/kernel/debug/wimax:DEVNAME/ for the generic WiMAX stack
172 * /sys/kernel/debug/wimax:DEVNAME/i2400m for the i2400m generic
174 * /sys/kernel/debug/wimax:DEVNAME/i2400m-usb (or -sdio) for the
178 /sys/kernel/debug, those paths will change.
180 5.2.1. Increasing debug output
183 The files named *dl_* indicate knobs for controlling the debug output
186 # find /sys/kernel/debug/wimax\:wmx0 -name \*dl_\*
187 /sys/kernel/debug/wimax:wmx0/i2400m-usb/dl_tx
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/Linux-v5.4/drivers/net/wireless/st/cw1200/
Ddebug.h35 ++priv->debug->tx; in cw1200_debug_txed()
40 ++priv->debug->tx_agg; in cw1200_debug_txed_agg()
46 ++priv->debug->tx_multi; in cw1200_debug_txed_multi()
47 priv->debug->tx_multi_frames += count; in cw1200_debug_txed_multi()
52 ++priv->debug->rx; in cw1200_debug_rxed()
57 ++priv->debug->rx_agg; in cw1200_debug_rxed_agg()
62 ++priv->debug->tx_cache_miss; in cw1200_debug_tx_cache_miss()
67 ++priv->debug->tx_align; in cw1200_debug_tx_align()
72 ++priv->debug->tx_ttl; in cw1200_debug_tx_ttl()
77 ++priv->debug->tx_burst; in cw1200_debug_tx_burst()
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/Linux-v5.4/Documentation/ABI/testing/
Ddebugfs-hisi-zip1 What: /sys/kernel/debug/hisi_zip/<bdf>/comp_core[01]/regs
4 Description: Dump of compression cores related debug registers.
7 What: /sys/kernel/debug/hisi_zip/<bdf>/decomp_core[0-5]/regs
10 Description: Dump of decompression cores related debug registers.
13 What: /sys/kernel/debug/hisi_zip/<bdf>/clear_enable
16 Description: Compression/decompression core debug registers read clear
22 What: /sys/kernel/debug/hisi_zip/<bdf>/current_qm
29 What: /sys/kernel/debug/hisi_zip/<bdf>/qm/qm_regs
32 Description: Dump of QM related debug registers.
34 has one debug register.
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Ddebugfs-driver-habanalabs1 What: /sys/kernel/debug/habanalabs/hl<n>/addr
11 What: /sys/kernel/debug/habanalabs/hl<n>/command_buffers
18 What: /sys/kernel/debug/habanalabs/hl<n>/command_submission
25 What: /sys/kernel/debug/habanalabs/hl<n>/command_submission_jobs
32 What: /sys/kernel/debug/habanalabs/hl<n>/data32
46 What: /sys/kernel/debug/habanalabs/hl<n>/device
54 What: /sys/kernel/debug/habanalabs/hl<n>/engines
61 What: /sys/kernel/debug/habanalabs/hl<n>/i2c_addr
68 What: /sys/kernel/debug/habanalabs/hl<n>/i2c_bus
75 What: /sys/kernel/debug/habanalabs/hl<n>/i2c_data
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Ddebugfs-driver-genwqe1 What: /sys/kernel/debug/genwqe/genwqe<n>_card/ddcb_info
6 What: /sys/kernel/debug/genwqe/genwqe<n>_card/curr_regs
12 What: /sys/kernel/debug/genwqe/genwqe<n>_card/curr_dbg_uid0
18 What: /sys/kernel/debug/genwqe/genwqe<n>_card/curr_dbg_uid1
24 What: /sys/kernel/debug/genwqe/genwqe<n>_card/curr_dbg_uid2
30 What: /sys/kernel/debug/genwqe/genwqe<n>_card/prev_regs
37 What: /sys/kernel/debug/genwqe/genwqe<n>_card/prev_dbg_uid0
43 What: /sys/kernel/debug/genwqe/genwqe<n>_card/prev_dbg_uid1
49 What: /sys/kernel/debug/genwqe/genwqe<n>_card/prev_dbg_uid2
55 What: /sys/kernel/debug/genwqe/genwqe<n>_card/info
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/Linux-v5.4/drivers/net/wireless/ath/ath9k/
Ddebug.c32 sc->debug.stats.istats.sync_cause_all++; in ath9k_debug_sync_cause()
34 sc->debug.stats.istats.sync_rtc_irq++; in ath9k_debug_sync_cause()
36 sc->debug.stats.istats.sync_mac_irq++; in ath9k_debug_sync_cause()
38 sc->debug.stats.istats.eeprom_illegal_access++; in ath9k_debug_sync_cause()
40 sc->debug.stats.istats.apb_timeout++; in ath9k_debug_sync_cause()
42 sc->debug.stats.istats.pci_mode_conflict++; in ath9k_debug_sync_cause()
44 sc->debug.stats.istats.host1_fatal++; in ath9k_debug_sync_cause()
46 sc->debug.stats.istats.host1_perr++; in ath9k_debug_sync_cause()
48 sc->debug.stats.istats.trcv_fifo_perr++; in ath9k_debug_sync_cause()
50 sc->debug.stats.istats.radm_cpl_ep++; in ath9k_debug_sync_cause()
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Dhtc_drv_debug.c202 priv->debug.tx_stats.buf_queued); in read_file_xmit()
205 priv->debug.tx_stats.buf_completed); in read_file_xmit()
208 priv->debug.tx_stats.skb_queued); in read_file_xmit()
211 priv->debug.tx_stats.skb_success); in read_file_xmit()
214 priv->debug.tx_stats.skb_failed); in read_file_xmit()
217 priv->debug.tx_stats.cab_queued); in read_file_xmit()
221 priv->debug.tx_stats.queue_stats[IEEE80211_AC_BE]); in read_file_xmit()
224 priv->debug.tx_stats.queue_stats[IEEE80211_AC_BK]); in read_file_xmit()
227 priv->debug.tx_stats.queue_stats[IEEE80211_AC_VI]); in read_file_xmit()
230 priv->debug.tx_stats.queue_stats[IEEE80211_AC_VO]); in read_file_xmit()
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/Linux-v5.4/drivers/pci/hotplug/
Dibmphp_ebda.c114 debug("%s - slot_min = %x\n", __func__, ptr->slot_min); in print_bus_info()
115 debug("%s - slot_max = %x\n", __func__, ptr->slot_max); in print_bus_info()
116 debug("%s - slot_count = %x\n", __func__, ptr->slot_count); in print_bus_info()
117 debug("%s - bus# = %x\n", __func__, ptr->busno); in print_bus_info()
118 debug("%s - current_speed = %x\n", __func__, ptr->current_speed); in print_bus_info()
119 debug("%s - controller_id = %x\n", __func__, ptr->controller_id); in print_bus_info()
121 debug("%s - slots_at_33_conv = %x\n", __func__, ptr->slots_at_33_conv); in print_bus_info()
122 debug("%s - slots_at_66_conv = %x\n", __func__, ptr->slots_at_66_conv); in print_bus_info()
123 debug("%s - slots_at_66_pcix = %x\n", __func__, ptr->slots_at_66_pcix); in print_bus_info()
124 debug("%s - slots_at_100_pcix = %x\n", __func__, ptr->slots_at_100_pcix); in print_bus_info()
[all …]
Dibmphp_core.c39 static bool debug; variable
40 module_param(debug, bool, S_IRUGO | S_IWUSR);
41 MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
66 debug("options = %x\n", slot_cur->ctrl->options); in get_cur_bus_info()
67 debug("revision = %x\n", slot_cur->ctrl->revision); in get_cur_bus_info()
82 debug("busstatus = %x, bus_speed = %x, bus_mode = %x\n", in get_cur_bus_info()
148 debug("(*cur_slot)->irq[0] = %x\n", in ibmphp_init_devno()
150 debug("(*cur_slot)->irq[1] = %x\n", in ibmphp_init_devno()
152 debug("(*cur_slot)->irq[2] = %x\n", in ibmphp_init_devno()
154 debug("(*cur_slot)->irq[3] = %x\n", in ibmphp_init_devno()
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/Linux-v5.4/Documentation/admin-guide/
Dbtmrvl.rst10 Path: /debug/btmrvl/config/
27 echo 0xff80 > /debug/btmrvl/config/gpiogap
28 echo 1 > /debug/btmrvl/config/hscfgcmd
31 echo 0x03ff > /debug/btmrvl/config/gpiogap
32 echo 1 > /debug/btmrvl/config/hscfgcmd
45 echo 1 > /debug/btmrvl/config/psmode
46 echo 1 > /debug/btmrvl/config/pscmd
49 echo 0 > /debug/btmrvl/config/psmode
50 echo 1 > /debug/btmrvl/config/pscmd
64 echo 1 > /debug/btmrvl/config/hsmode
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/Linux-v5.4/drivers/gpu/drm/i915/
Dintel_runtime_pm.c81 spin_lock_init(&rpm->debug.lock); in init_intel_runtime_pm_wakeref()
97 spin_lock_irqsave(&rpm->debug.lock, flags); in track_intel_runtime_pm_wakeref()
99 if (!rpm->debug.count) in track_intel_runtime_pm_wakeref()
100 rpm->debug.last_acquire = stack; in track_intel_runtime_pm_wakeref()
102 stacks = krealloc(rpm->debug.owners, in track_intel_runtime_pm_wakeref()
103 (rpm->debug.count + 1) * sizeof(*stacks), in track_intel_runtime_pm_wakeref()
106 stacks[rpm->debug.count++] = stack; in track_intel_runtime_pm_wakeref()
107 rpm->debug.owners = stacks; in track_intel_runtime_pm_wakeref()
112 spin_unlock_irqrestore(&rpm->debug.lock, flags); in track_intel_runtime_pm_wakeref()
126 spin_lock_irqsave(&rpm->debug.lock, flags); in untrack_intel_runtime_pm_wakeref()
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/Linux-v5.4/Documentation/x86/
Dearlyprintk.rst8 USB2 Debug port key and a debug cable, on x86 systems.
10 You need two computers, the 'USB debug key' special gadget and
13 [host/target] <-------> [USB debug key] <-------> [client/console]
18 a) Host/target system needs to have USB debug port capability.
20 You can check this capability by looking at a 'Debug port' bit in
35 Capabilities: [58] Debug port: BAR=1 offset=00a0
42 If your system does not list a debug port capability then you probably
43 won't be able to use the USB debug key.
45 b) You also need a NetChip USB debug cable/key:
55 debug port on the "host/target" system. You cannot use a USB hub in
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/Linux-v5.4/fs/orangefs/
Dorangefs-debugfs.c3 * What: /sys/kernel/debug/orangefs/debug-help
7 * List of client and kernel debug keywords.
10 * What: /sys/kernel/debug/orangefs/client-debug
14 * Debug setting for "the client", the userspace
18 * What: /sys/kernel/debug/orangefs/kernel-debug
22 * Debug setting for the orangefs kernel module.
25 * of keywords, from debug-help can be catted to
26 * client-debug or kernel-debug.
29 * for client-debug. Setting client-debug to "all"
35 * "none" and "all" are similar settings for kernel-debug
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/Linux-v5.4/arch/arm64/kvm/
Ddebug.c3 * Debug and Guest Debug support
12 #include <asm/debug-monitors.h>
29 * For some debug operations we need to tweak some guest registers. As
57 * kvm_arm_init_debug - grab what we need for debug
72 * kvm_arm_reset_debug_ptr - reset the debug ptr to point to the vcpu state
81 * kvm_arm_setup_debug - set up debug related stuff
86 * debug related registers. Currently this just ensures we will trap
89 * - Debug ROM Address (MDCR_EL2_TDRA)
93 * Additionally, KVM only traps guest accesses to the debug registers if
98 * debug registers.
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/Linux-v5.4/drivers/net/wireless/ath/ath10k/
Ddebug.c15 #include "debug.h"
53 ath10k_info(ar, "kconfig debug %d debugfs %d tracing %d dfs %d testmode %d\n", in ath10k_debug_print_hwfw_info()
245 ar->debug.fw_stats_done = false; in ath10k_debug_fw_stats_reset()
246 ar->debug.fw_stats.extended = false; in ath10k_debug_fw_stats_reset()
247 ath10k_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); in ath10k_debug_fw_stats_reset()
248 ath10k_fw_stats_vdevs_free(&ar->debug.fw_stats.vdevs); in ath10k_debug_fw_stats_reset()
249 ath10k_fw_stats_peers_free(&ar->debug.fw_stats.peers); in ath10k_debug_fw_stats_reset()
250 ath10k_fw_extd_stats_peers_free(&ar->debug.fw_stats.peers_extd); in ath10k_debug_fw_stats_reset()
288 if (ar->debug.fw_stats_done) { in ath10k_debug_fw_stats_process()
295 num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers); in ath10k_debug_fw_stats_process()
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/Linux-v5.4/drivers/net/fddi/skfp/
Dsmtinit.c28 /* define global debug variable */
29 #if defined(DEBUG) && !defined(DEBUG_BRD)
30 struct smt_debug debug; variable
69 #if defined(DEBUG) && !defined(DEBUG_BRD) in init_smt()
70 debug.d_smt = 0 ; in init_smt()
71 debug.d_smtf = 0 ; in init_smt()
72 debug.d_rmt = 0 ; in init_smt()
73 debug.d_ecm = 0 ; in init_smt()
74 debug.d_pcm = 0 ; in init_smt()
75 debug.d_cfm = 0 ; in init_smt()
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