hc
2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d
kernel/Documentation/ABI/testing/pstore
....@@ -1,6 +1,6 @@
1
-Where: /sys/fs/pstore/... (or /dev/pstore/...)
1
+What: /sys/fs/pstore/... (or /dev/pstore/...)
22 Date: March 2011
3
-Kernel Version: 2.6.39
3
+KernelVersion: 2.6.39
44 Contact: tony.luck@intel.com
55 Description: Generic interface to platform dependent persistent storage.
66
....@@ -9,25 +9,25 @@
99 provide a generic interface to show records captured in
1010 the dying moments. In the case of a panic the last part
1111 of the console log is captured, but other interesting
12
- data can also be saved.
12
+ data can also be saved::
1313
14
- # mount -t pstore -o kmsg_bytes=8000 - /sys/fs/pstore
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+ # mount -t pstore -o kmsg_bytes=8000 - /sys/fs/pstore
1515
16
- $ ls -l /sys/fs/pstore/
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- total 0
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- -r--r--r-- 1 root root 7896 Nov 30 15:38 dmesg-erst-1
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+ $ ls -l /sys/fs/pstore/
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+ total 0
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+ -r--r--r-- 1 root root 7896 Nov 30 15:38 dmesg-erst-1
1919
2020 Different users of this interface will result in different
2121 filename prefixes. Currently two are defined:
2222
23
- "dmesg" - saved console log
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- "mce" - architecture dependent data from fatal h/w error
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+ - "dmesg" - saved console log
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+ - "mce" - architecture dependent data from fatal h/w error
2525
2626 Once the information in a file has been read, removing
2727 the file will signal to the underlying persistent storage
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- device that it can reclaim the space for later re-use.
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+ device that it can reclaim the space for later re-use::
2929
30
- $ rm /sys/fs/pstore/dmesg-erst-1
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+ $ rm /sys/fs/pstore/dmesg-erst-1
3131
3232 The expectation is that all files in /sys/fs/pstore/
3333 will be saved elsewhere and erased from persistent store
....@@ -44,4 +44,3 @@
4444 backends are available, the preferred backend may be
4545 set by passing the pstore.backend= argument to the kernel at
4646 boot time.
47
-