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/OK3568_Linux_fs/kernel/Documentation/admin-guide/
H A Dpstore-blk.rst3 pstore block oops/panic logger
9 pstore block (pstore/blk) is an oops/panic logger that writes its logs to a
11 these log files by mounting pstore filesystem like::
13 mount -t pstore pstore /sys/fs/pstore
16 pstore block concepts
19 pstore/blk provides efficient configuration method for pstore/blk, which
23 Configurations for user determine how pstore/blk works, such as pmsg_size,
46 It's required for pstore/blk. It is also used for MTD device.
69 1. <device name> MTD device name. "pstore" is recommended.
79 space except other pstore front-ends.
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H A Dramoops.rst27 Typically the default value of ``mem_type=0`` should be used as that sets the pstore
29 ``pgprot_noncached``, which only works on some platforms. This is because pstore
138 The dump data can be read from the pstore filesystem. The format for these
140 a stored record from RAM, simply unlink the respective pstore file.
150 # echo 1 > /sys/kernel/debug/pstore/record_ftrace
153 # mount -t pstore pstore /mnt/
/OK3568_Linux_fs/kernel/drivers/md/
H A Ddm-snap-persistent.c102 struct pstore { struct
167 static int alloc_area(struct pstore *ps) in alloc_area() argument
202 static void free_area(struct pstore *ps) in free_area()
229 static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int op, in chunk_io()
268 static chunk_t area_location(struct pstore *ps, chunk_t area) in area_location()
273 static void skip_metadata(struct pstore *ps) in skip_metadata()
285 static int area_io(struct pstore *ps, int op, int op_flags) in area_io()
292 static void zero_memory_area(struct pstore *ps) in zero_memory_area()
297 static int zero_disk_area(struct pstore *ps, chunk_t area) in zero_disk_area()
303 static int read_header(struct pstore *ps, int *new_snapshot) in read_header()
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/OK3568_Linux_fs/kernel/fs/pstore/
H A DKconfig8 persistent storage via "pstore" filesystem that can
9 be mounted as /dev/pstore. Only useful if you have
10 a platform level driver that registers with pstore to
69 prompt "Default pstore compression algorithm"
73 This change be changed at boot with "pstore.compress=..." on
76 Currently, pstore has support for 6 compression algorithms:
115 When the option is enabled, pstore will log all kernel
122 When the option is enabled, pstore will export a character
124 data can be retrieved from /sys/fs/pstore/pmsg-ramoops-[ID].
136 pstore filesystem. It can be used to determine what function
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H A DMakefile6 obj-$(CONFIG_PSTORE) += pstore.o
8 pstore-objs += inode.o platform.o
9 pstore-$(CONFIG_PSTORE_FTRACE) += ftrace.o
11 pstore-$(CONFIG_PSTORE_PMSG) += pmsg.o
H A Dram.c115 struct pstore_info pstore; member
493 .pstore = {
957 cxt->pstore.data = cxt; in ramoops_probe()
964 cxt->pstore.flags = 0; in ramoops_probe()
966 cxt->pstore.flags |= PSTORE_FLAGS_DMESG; in ramoops_probe()
967 cxt->pstore.max_reason = pdata->max_reason; in ramoops_probe()
970 cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE; in ramoops_probe()
972 cxt->pstore.flags |= PSTORE_FLAGS_FTRACE; in ramoops_probe()
974 cxt->pstore.flags |= PSTORE_FLAGS_PMSG; in ramoops_probe()
977 cxt->pstore.flags |= PSTORE_FLAGS_BOOT_LOG; in ramoops_probe()
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H A Dzone.c138 struct pstore_info pstore; member
1102 .pstore = {
1365 cxt->pstore.bufsize = cxt->kpszs[0]->buffer_size - in register_pstore_zone()
1367 cxt->pstore.buf = kzalloc(cxt->pstore.bufsize, GFP_KERNEL); in register_pstore_zone()
1368 if (!cxt->pstore.buf) { in register_pstore_zone()
1373 cxt->pstore.data = cxt; in register_pstore_zone()
1376 cxt->pstore.max_reason = info->max_reason; in register_pstore_zone()
1377 cxt->pstore.name = info->name; in register_pstore_zone()
1379 cxt->pstore.flags |= PSTORE_FLAGS_DMESG; in register_pstore_zone()
1381 kmsg_dump_reason_str(cxt->pstore.max_reason)); in register_pstore_zone()
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/OK3568_Linux_fs/kernel/Documentation/ABI/testing/
H A Dpstore1 What: /sys/fs/pstore/... (or /dev/pstore/...)
14 # mount -t pstore -o kmsg_bytes=8000 - /sys/fs/pstore
16 $ ls -l /sys/fs/pstore/
30 $ rm /sys/fs/pstore/dmesg-erst-1
32 The expectation is that all files in /sys/fs/pstore/
45 set by passing the pstore.backend= argument to the kernel at
/OK3568_Linux_fs/kernel/tools/testing/selftests/pstore/
H A Dpstore_post_reboot_tests23 mount_info=`grep pstore /proc/mounts`
28 mount none /sys/fs/pstore -t pstore
30 mount_point=`grep pstore /proc/mounts | cut -d' ' -f2 | head -n1`
H A Dcommon_tests77 backend=`cat /sys/module/pstore/parameters/backend`
/OK3568_Linux_fs/rkbin/doc/release/
H A DRK3588_CN.md99 4. BL32 打印支持 pstore，内核可以通过 pstore 节点查看 BL32 的打印信息。
237 2. DDRBIN开启pstore功能。
282 1. 支持pstore功能。
H A DRK3568_CN.md40 4. 增加ECC使能下的pstore支持。
56 4. BL32 打印支持 pstore，内核可以通过 pstore 节点查看 BL32 的打印信息。
H A DRK3588_EN.md99 4. BL32 supports pstore, and the kernel can view print info of BL32 through pstore node.
237 2. Support pstore function.
282 1. Support pstore.
H A DRK3568_EN.md40 4. Add pstore support when ECC enabled.
56 4. BL32 supports pstore, and the kernel can view print info of BL32 through pstore node.
/OK3568_Linux_fs/external/rockchip-test/auto_reboot/
H A Dauto_reboot.sh52 if [ -e /sys/fs/pstore/console-ramoops-0 ]; then
54 grep -q "Restarting system" /sys/fs/pstore/console-ramoops-0
/OK3568_Linux_fs/debian/
H A Dpost-build.sh99 fixup_basic_part pstore /sys/fs/pstore
/OK3568_Linux_fs/device/rockchip/common/post-hooks/
H A D30-fstab.sh98 fixup_basic_part pstore /sys/fs/pstore
/OK3568_Linux_fs/debian/overlay-debug/rockchip-test/auto_reboot/
H A Dauto_reboot.sh62 if [ -e /var/lib/systemd/pstore/console-ramoops-0 ]; then
64 grep -q "Restarting system" /var/lib/systemd/pstore/console-ramoops-0
/OK3568_Linux_fs/device/rockchip/common/scripts/
H A Dpost-fstab.sh98 fixup_basic_part pstore /sys/fs/pstore
/OK3568_Linux_fs/u-boot/arch/arm/mach-rockchip/
H A Dpstore.c103 gd->pstore_addr = t->u.pstore.buf[LOG_UBOOT].addr; in param_parse_pstore()
104 gd->pstore_size = t->u.pstore.buf[LOG_UBOOT].size - sizeof(struct persistent_ram_buffer); in param_parse_pstore()
/OK3568_Linux_fs/u-boot/cmd/
H A Datags.c179 for (i = 0; i < ARRAY_SIZE(t->u.pstore.buf); i++) in atags_print_tag()
180 printf(" table[%d] = 0x%x@0x%x\n", i, t->u.pstore.buf[i].size, t->u.pstore.buf[i].addr); in atags_print_tag()
/OK3568_Linux_fs/docs/cn/RK3566_RK3568/
H A DRK3566_RK3568_Linux5.10_SDK_Note.md38 - BL32 supports pstore, and the kernel can view print info of BL32 through pstore node
88 - BL32 supports pstore, and the kernel can view print info of BL32 through pstore node
/OK3568_Linux_fs/docs/en/RK3566_RK3568/
H A DRK3566_RK3568_Linux5.10_SDK_Note.md38 - BL32 supports pstore, and the kernel can view print info of BL32 through pstore node
88 - BL32 supports pstore, and the kernel can view print info of BL32 through pstore node
/OK3568_Linux_fs/kernel/drivers/firmware/efi/
H A DKconfig23 tristate "Register efivars backend for pstore"
27 Say Y here to enable use efivars as a backend to pstore. This
29 else supported by pstore to EFI variables.
32 bool "Disable using efivars as a pstore backend by default"
37 backend for pstore by default. This setting can be overridden
/OK3568_Linux_fs/kernel/tools/testing/selftests/
H A DMakefile48 TARGETS += pstore
196 $(MAKE) -C pstore run_crash

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