| /Linux-v5.15/Documentation/translations/zh_CN/filesystems/ |
| D | debugfs.rst | 5 :Original: Documentation/filesystems/debugfs.rst
24 信息。也不像sysfs,具有严格的“每个文件一个值“的规则。debugfs根本没有规则,开发
25 人员可以在这里放置他们想要的任何信息。debugfs文件系统也不能用作稳定的ABI接口。
26 从理论上讲，debugfs导出文件的时候没有任何约束。但是[1]实际情况并不总是那么
27 简单。即使是debugfs接口，也最好根据需要进行设计,并尽量保持接口不变。
32 mount -t debugfs none /sys/kernel/debug
35 debugfs根目录默认仅可由root用户访问。要更改对文件树的访问，请使用“ uid”，“ gid”
36 和“ mode”挂载选项。请注意，debugfs API仅按照GPL协议导出到模块。
38 使用debugfs的代码应包含<linux/debugfs.h>。然后，首先是创建至少一个目录来保存
39 一组debugfs文件::
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| /Linux-v5.15/Documentation/translations/zh_TW/filesystems/ |
| D | debugfs.rst | 5 :Original: :doc:`../../../filesystems/debugfs`
26 信息。也不像sysfs,具有嚴格的「每個文件一個值「的規則。debugfs根本沒有規則,開發
27 人員可以在這裡放置他們想要的任何信息。debugfs文件系統也不能用作穩定的ABI接口。
28 從理論上講，debugfs導出文件的時候沒有任何約束。但是[1]實際情況並不總是那麼
29 簡單。即使是debugfs接口，也最好根據需要進行設計,並儘量保持接口不變。
34 mount -t debugfs none /sys/kernel/debug
37 debugfs根目錄默認僅可由root用戶訪問。要更改對文件樹的訪問，請使用「 uid」，「 gid」
38 和「 mode」掛載選項。請注意，debugfs API僅按照GPL協議導出到模塊。
40 使用debugfs的代碼應包含<linux/debugfs.h>。然後，首先是創建至少一個目錄來保存
41 一組debugfs文件::
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| /Linux-v5.15/drivers/memory/tegra/ |
| D | tegra186-emc.c | 31 } debugfs; member
106 *rate = emc->debugfs.min_rate; in tegra186_emc_debug_min_rate_get()
123 emc->debugfs.min_rate = rate; in tegra186_emc_debug_min_rate_set()
136 *rate = emc->debugfs.max_rate; in tegra186_emc_debug_max_rate_get()
153 emc->debugfs.max_rate = rate; in tegra186_emc_debug_max_rate_set()
201 emc->debugfs.min_rate = ULONG_MAX; in tegra186_emc_probe()
202 emc->debugfs.max_rate = 0; in tegra186_emc_probe()
219 if (emc->dvfs[i].rate < emc->debugfs.min_rate) in tegra186_emc_probe()
220 emc->debugfs.min_rate = emc->dvfs[i].rate; in tegra186_emc_probe()
222 if (emc->dvfs[i].rate > emc->debugfs.max_rate) in tegra186_emc_probe()
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| D | tegra20-emc.c | 192 } debugfs; member
692 *rate = emc->debugfs.min_rate; in tegra_emc_debug_min_rate_get()
709 emc->debugfs.min_rate = rate; in tegra_emc_debug_min_rate_set()
722 *rate = emc->debugfs.max_rate; in tegra_emc_debug_max_rate_get()
739 emc->debugfs.max_rate = rate; in tegra_emc_debug_max_rate_set()
754 emc->debugfs.min_rate = ULONG_MAX; in tegra_emc_debugfs_init()
755 emc->debugfs.max_rate = 0; in tegra_emc_debugfs_init()
758 if (emc->timings[i].rate < emc->debugfs.min_rate) in tegra_emc_debugfs_init()
759 emc->debugfs.min_rate = emc->timings[i].rate; in tegra_emc_debugfs_init()
761 if (emc->timings[i].rate > emc->debugfs.max_rate) in tegra_emc_debugfs_init()
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| D | tegra124-emc.c | 502 } debugfs; member
1185 *rate = emc->debugfs.min_rate; in tegra_emc_debug_min_rate_get()
1202 emc->debugfs.min_rate = rate; in tegra_emc_debug_min_rate_set()
1215 *rate = emc->debugfs.max_rate; in tegra_emc_debug_max_rate_get()
1232 emc->debugfs.max_rate = rate; in tegra_emc_debug_max_rate_set()
1246 emc->debugfs.min_rate = ULONG_MAX; in emc_debugfs_init()
1247 emc->debugfs.max_rate = 0; in emc_debugfs_init()
1250 if (emc->timings[i].rate < emc->debugfs.min_rate) in emc_debugfs_init()
1251 emc->debugfs.min_rate = emc->timings[i].rate; in emc_debugfs_init()
1253 if (emc->timings[i].rate > emc->debugfs.max_rate) in emc_debugfs_init()
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| D | tegra210-emc-core.c | 620 if (!emc->debugfs.temperature) in tegra210_emc_poll_refresh()
623 temperature = emc->debugfs.temperature; in tegra210_emc_poll_refresh()
1643 *rate = emc->debugfs.min_rate; in tegra210_emc_debug_min_rate_get()
1660 emc->debugfs.min_rate = rate; in tegra210_emc_debug_min_rate_set()
1673 *rate = emc->debugfs.max_rate; in tegra210_emc_debug_max_rate_get()
1690 emc->debugfs.max_rate = rate; in tegra210_emc_debug_max_rate_set()
1704 if (!emc->debugfs.temperature) in tegra210_emc_debug_temperature_get()
1707 value = emc->debugfs.temperature; in tegra210_emc_debug_temperature_get()
1721 emc->debugfs.temperature = temperature; in tegra210_emc_debug_temperature_set()
1736 emc->debugfs.min_rate = ULONG_MAX; in tegra210_emc_debugfs_init()
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| /Linux-v5.15/net/bluetooth/ |
| D | hci_debugfs.c | 312 debugfs_create_file("features", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
314 debugfs_create_u16("manufacturer", 0444, hdev->debugfs, in hci_debugfs_create_common()
316 debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver); in hci_debugfs_create_common()
317 debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev); in hci_debugfs_create_common()
318 debugfs_create_u8("hardware_error", 0444, hdev->debugfs, in hci_debugfs_create_common()
320 debugfs_create_file("device_id", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
323 debugfs_create_file("device_list", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
325 debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
327 debugfs_create_file("blocked_keys", 0444, hdev->debugfs, hdev, in hci_debugfs_create_common()
329 debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); in hci_debugfs_create_common()
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| /Linux-v5.15/net/mac80211/ |
| D | debugfs_key.c | 321 debugfs_create_file(#name, 0400, key->debugfs.dir, \
324 debugfs_create_file(#name, 0600, key->debugfs.dir, \
333 if (!key->local->debugfs.keys) in ieee80211_debugfs_key_add()
337 key->debugfs.cnt = keycount; in ieee80211_debugfs_key_add()
339 key->debugfs.dir = debugfs_create_dir(buf, in ieee80211_debugfs_key_add()
340 key->local->debugfs.keys); in ieee80211_debugfs_key_add()
346 key->debugfs.stalink = in ieee80211_debugfs_key_add()
347 debugfs_create_symlink("station", key->debugfs.dir, buf); in ieee80211_debugfs_key_add()
369 debugfs_remove_recursive(key->debugfs.dir); in ieee80211_debugfs_key_remove()
370 key->debugfs.dir = NULL; in ieee80211_debugfs_key_remove()
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| /Linux-v5.15/drivers/gpu/drm/nouveau/ |
| D | nouveau_debugfs.c | 75 struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); in nouveau_debugfs_pstate_get() local
76 struct nvif_object *ctrl = &debugfs->ctrl; in nouveau_debugfs_pstate_get()
80 if (!debugfs) in nouveau_debugfs_pstate_get()
146 struct nouveau_debugfs *debugfs = nouveau_debugfs(drm); in nouveau_debugfs_pstate_set() local
147 struct nvif_object *ctrl = &debugfs->ctrl; in nouveau_debugfs_pstate_set()
152 if (!debugfs) in nouveau_debugfs_pstate_set()
260 drm->debugfs = kzalloc(sizeof(*drm->debugfs), GFP_KERNEL); in nouveau_debugfs_init()
261 if (!drm->debugfs) in nouveau_debugfs_init()
266 &drm->debugfs->ctrl); in nouveau_debugfs_init()
276 if (drm->debugfs && drm->debugfs->ctrl.priv) in nouveau_debugfs_fini()
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| /Linux-v5.15/arch/sh/mm/ |
| D | Makefile | 24 debugfs-y := asids-debugfs.o
26 debugfs-$(CONFIG_CPU_SH4) += cache-debugfs.o
30 debugfs-$(CONFIG_CPU_SH4) += tlb-debugfs.o
37 obj-$(CONFIG_DEBUG_FS) += $(debugfs-y)
|
| /Linux-v5.15/Documentation/filesystems/ |
| D | debugfs.rst | 13 debugfs has no rules at all. Developers can put any information they want
14 there. The debugfs filesystem is also intended to not serve as a stable
17 even debugfs interfaces are best designed with the idea that they will need
22 mount -t debugfs none /sys/kernel/debug
25 The debugfs root directory is accessible only to the root user by
29 Note that the debugfs API is exported GPL-only to modules.
31 Code using debugfs should include <linux/debugfs.h>. Then, the first order
33 debugfs files::
39 created in the debugfs root. On success, the return value is a struct
43 indication that the kernel has been built without debugfs support and none
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| /Linux-v5.15/Documentation/admin-guide/mm/damon/ |
| D | usage.rst | 14 - *debugfs interface.*
17 from and writing to special debugfs files. Therefore, you can write and use
18 your personalized DAMON debugfs wrapper programs that reads/writes the
19 debugfs files instead of you. The DAMON user space tool is also a reference
28 Nevertheless, you could write your own user space tool using the debugfs
32 the reason, this document describes only the debugfs interface
34 debugfs Interface
38 its debugfs directory, ``<debugfs>/damon/``.
51 # cd <debugfs>/damon
69 # cd <debugfs>/damon
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| D | start.rst | 19 # mount -t debugfs none /sys/kernel/debug/
62 Because DAMO is using the debugfs interface (refer to :doc:`usage` for the
63 detail) of DAMON, you should ensure debugfs is mounted. Mount it manually as
66 # mount -t debugfs none /sys/kernel/debug/
69 can automatically mount debugfs upon booting::
71 debugfs /sys/kernel/debug debugfs defaults 0 0
|
| /Linux-v5.15/Documentation/admin-guide/ |
| D | dynamic-debug-howto.rst | 39 * Provides a debugfs control file: ``<debugfs>/dynamic_debug/control``
47 control file in the 'debugfs' filesystem. Thus, you must first mount
48 the debugfs filesystem, in order to make use of this feature.
50 ``<debugfs>/dynamic_debug/control``. For example, if you want to enable
54 <debugfs>/dynamic_debug/control
59 <debugfs>/dynamic_debug/control
62 Note, for systems without 'debugfs' enabled, the control file can be
71 nullarbor:~ # cat <debugfs>/dynamic_debug/control
83 nullarbor:~ # grep -i rdma <debugfs>/dynamic_debug/control | wc -l
86 nullarbor:~ # grep -i tcp <debugfs>/dynamic_debug/control | wc -l
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| /Linux-v5.15/Documentation/fault-injection/ |
| D | provoke-crashes.rst | 12 support via debugfs.
16 inserting the module, or through the debugfs interface.
36 These are numerous, and best queried directly from debugfs. Some
46 You can also induce failures by mounting debugfs and writing the type to
47 <debugfs>/provoke-crash/<crashpoint>. E.g.::
49 mount -t debugfs debugfs /sys/kernel/debug
|
| /Linux-v5.15/drivers/misc/cxl/ |
| D | debugfs.c | 67 adapter->debugfs = dir; in cxl_debugfs_adapter_add()
77 debugfs_remove_recursive(adapter->debugfs); in cxl_debugfs_adapter_remove()
101 if (!afu->adapter->debugfs) in cxl_debugfs_afu_add()
105 dir = debugfs_create_dir(buf, afu->adapter->debugfs); in cxl_debugfs_afu_add()
106 afu->debugfs = dir; in cxl_debugfs_afu_add()
120 debugfs_remove_recursive(afu->debugfs); in cxl_debugfs_afu_remove()
|
| /Linux-v5.15/drivers/hwspinlock/ |
| D | sun6i_hwspinlock.c | 33 struct dentry *debugfs; member
51 priv->debugfs = debugfs_create_dir(DRIVER_NAME, NULL); in sun6i_hwspinlock_debugfs_init()
52 debugfs_create_file("supported", 0444, priv->debugfs, priv, &hwlocks_supported_fops); in sun6i_hwspinlock_debugfs_init()
86 debugfs_remove_recursive(priv->debugfs); in sun6i_hwspinlock_disable()
171 if (IS_ERR(priv->debugfs)) in sun6i_hwspinlock_probe()
172 priv->debugfs = NULL; in sun6i_hwspinlock_probe()
|
| /Linux-v5.15/drivers/gpu/drm/i915/gvt/ |
| D | debugfs.c | 163 vgpu->debugfs = debugfs_create_dir(name, vgpu->gvt->debugfs_root); in intel_gvt_debugfs_add_vgpu()
165 debugfs_create_bool("active", 0444, vgpu->debugfs, &vgpu->active); in intel_gvt_debugfs_add_vgpu()
166 debugfs_create_file("mmio_diff", 0444, vgpu->debugfs, vgpu, in intel_gvt_debugfs_add_vgpu()
168 debugfs_create_file("scan_nonprivbb", 0644, vgpu->debugfs, vgpu, in intel_gvt_debugfs_add_vgpu()
178 debugfs_remove_recursive(vgpu->debugfs); in intel_gvt_debugfs_remove_vgpu()
179 vgpu->debugfs = NULL; in intel_gvt_debugfs_remove_vgpu()
|
| /Linux-v5.15/drivers/net/wireless/ti/wl1251/ |
| D | debugfs.c | 41 wl->debugfs.name = debugfs_create_file(#name, 0400, parent, \
46 debugfs_remove(wl->debugfs.name); \
47 wl->debugfs.name = NULL; \
73 DEBUGFS_ADD(sub## _ ##name, wl->debugfs.fw_statistics)
431 DEBUGFS_ADD(tx_queue_len, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
432 DEBUGFS_ADD(tx_queue_status, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
433 DEBUGFS_ADD(retry_count, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
434 DEBUGFS_ADD(excessive_retries, wl->debugfs.rootdir); in wl1251_debugfs_add_files()
451 wl->debugfs.rootdir = debugfs_create_dir(KBUILD_MODNAME, NULL); in wl1251_debugfs_init()
453 wl->debugfs.fw_statistics = debugfs_create_dir("fw-statistics", in wl1251_debugfs_init()
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| /Linux-v5.15/Documentation/admin-guide/mm/ |
| D | cma_debugfs.rst | 5 The CMA debugfs interface is useful to retrieve basic information out of the
8 Each CMA zone represents a directory under <debugfs>/cma/, indexed by the
11 <debugfs>/cma/cma-0
21 echo 5 > <debugfs>/cma/cma-2/alloc
|
| /Linux-v5.15/drivers/dma/dw-edma/ |
| D | dw-edma-v0-debugfs.c | 274 regs_dir = debugfs_create_dir(REGISTERS_STR, dw->debugfs); in dw_edma_debugfs_regs()
295 dw->debugfs = debugfs_create_dir(dw->name, NULL); in dw_edma_v0_debugfs_on()
296 if (!dw->debugfs) in dw_edma_v0_debugfs_on()
299 debugfs_create_u32("mf", 0444, dw->debugfs, &dw->mf); in dw_edma_v0_debugfs_on()
300 debugfs_create_u16("wr_ch_cnt", 0444, dw->debugfs, &dw->wr_ch_cnt); in dw_edma_v0_debugfs_on()
301 debugfs_create_u16("rd_ch_cnt", 0444, dw->debugfs, &dw->rd_ch_cnt); in dw_edma_v0_debugfs_on()
312 debugfs_remove_recursive(dw->debugfs); in dw_edma_v0_debugfs_off()
313 dw->debugfs = NULL; in dw_edma_v0_debugfs_off()
|
| /Linux-v5.15/drivers/soundwire/ |
| D | debugfs.c | 23 bus->debugfs = debugfs_create_dir(name, sdw_debugfs_root); in sdw_bus_debugfs_init()
28 debugfs_remove_recursive(bus->debugfs); in sdw_bus_debugfs_exit()
127 master = slave->bus->debugfs; in sdw_slave_debugfs_init()
135 slave->debugfs = d; in sdw_slave_debugfs_init()
140 debugfs_remove_recursive(slave->debugfs); in sdw_slave_debugfs_exit()
|
| /Linux-v5.15/drivers/video/fbdev/omap2/omapfb/dss/ |
| D | Kconfig | 16 appropriate flags in <debugfs>/dynamic_debug/control.
22 This enables debugfs for OMAPDSS at <debugfs>/omapdss. This enables
30 Collect DSS IRQ statistics, printable via debugfs.
33 <debugfs>/omapdss/dispc_irq for DISPC interrupts, and
34 <debugfs>/omapdss/dsi_irq for DSI interrupts.
|
| /Linux-v5.15/Documentation/translations/zh_CN/dev-tools/ |
| D | gcov.rst | 10 运行时的代码覆盖率数据会以gcov兼容的格式导出到“gcov”debugfs目录中，可
48 代码运行覆盖率数据只在debugfs挂载完成后才可以访问::
50 mount -t debugfs none /sys/kernel/debug
82 gcov功能需要在debugfs中创建如下文件:
104 模块卸载后这些备份数据在debugfs中会继续存在。
105 一旦这个模块重新加载，模块关联的运行统计会被初始化成debugfs中备份的数据。
|
| /Linux-v5.15/net/sunrpc/ |
| D | debugfs.c | 127 if (IS_ERR_OR_NULL(xprt->debugfs)) in do_xprt_debugfs()
130 xprt->debugfs->d_name.name); in do_xprt_debugfs()
233 xprt->debugfs = debugfs_create_dir(name, rpc_xprt_dir); in rpc_xprt_debugfs_register()
236 debugfs_create_file("info", S_IFREG | 0400, xprt->debugfs, xprt, in rpc_xprt_debugfs_register()
243 debugfs_remove_recursive(xprt->debugfs); in rpc_xprt_debugfs_unregister()
244 xprt->debugfs = NULL; in rpc_xprt_debugfs_unregister()
|
