Eric Lee / linux-smarc-t335x-v3.2

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Commit 3871f2ffe53db3cef4fe0c18993ad9e6e0f69408

Authored by Randy Dunlap
Committed by Ingo Molnar
1 parent 5250d329e3
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

sysrq: fix ftrace help msg & doc. 

Impact: update documentation and help messages

We have a conventional method of explicitly stating the
sysrq action key in a sysrq help message, so change
dump-ftrace-buffer to use that method and add it to
Documentation/sysrq.txt.

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 2 changed files with 3 additions and 1 deletions Side-by-side Diff

Documentation/sysrq.txt
Diff comments   View file @ 3871f2f
... ... @@ -114,6 +114,8 @@
114 114  
115 115 'x' - Used by xmon interface on ppc/powerpc platforms.
116 116  
  117 +'z' - Dump the ftrace buffer
  118 +
117 119 '0'-'9' - Sets the console log level, controlling which kernel messages
118 120 will be printed to your console. ('0', for example would make
119 121 it so that only emergency messages like PANICs or OOPSes would
drivers/char/sysrq.c
Diff comments   View file @ 3871f2f
... ... @@ -283,7 +283,7 @@
283 283 }
284 284 static struct sysrq_key_op sysrq_ftrace_dump_op = {
285 285 .handler = sysrq_ftrace_dump,
286   - .help_msg = "dumpZ-ftrace-buffer",
  286 + .help_msg = "dump-ftrace-buffer(Z)",
287 287 .action_msg = "Dump ftrace buffer",
288 288 .enable_mask = SYSRQ_ENABLE_DUMP,
289 289 };