diff options
| author | Helge Deller <deller@gmx.de> | 2017-08-23 21:52:05 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2017-08-24 18:49:52 +0200 |
| commit | fd46cd55fbc5a8e8c180ee04a30cda26c84569d2 (patch) | |
| tree | 6048f617297f2689e5d21584c0e1cf0a5b3ed1c5 /Documentation/printk-formats.txt | |
| parent | d81f734462d439291531266c4004ab97e9a033cc (diff) | |
| download | op-kernel-dev-fd46cd55fbc5a8e8c180ee04a30cda26c84569d2.zip op-kernel-dev-fd46cd55fbc5a8e8c180ee04a30cda26c84569d2.tar.gz | |
printk-formats.txt: Add examples for %pF and %pS usage
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'Documentation/printk-formats.txt')
| -rw-r--r-- | Documentation/printk-formats.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt index 074670b..361789d 100644 --- a/Documentation/printk-formats.txt +++ b/Documentation/printk-formats.txt @@ -75,6 +75,16 @@ used when printing stack backtraces. The specifier takes into consideration the effect of compiler optimisations which may occur when tail-call``s are used and marked with the noreturn GCC attribute. +Examples:: + + printk("Going to call: %pF\n", gettimeofday); + printk("Going to call: %pF\n", p->func); + printk("%s: called from %pS\n", __func__, (void *)_RET_IP_); + printk("%s: called from %pS\n", __func__, + (void *)__builtin_return_address(0)); + printk("Faulted at %pS\n", (void *)regs->ip); + printk(" %s%pB\n", (reliable ? "" : "? "), (void *)*stack); + Kernel Pointers =============== |
