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2015-11-11MIPS: Add LATENCYTOP supportAaro Koskinen1-12/+15
Add LATENCYTOP support for MIPS. Tested on OCTEON. Signed-off-by: Aaro Koskinen <[email protected]> Cc: [email protected] Patchwork: https://patchwork.linux-mips.org/patch/11353/ Signed-off-by: Ralf Baechle <[email protected]>
2011-10-31mips: migrate core kernel file from module.h --> export.hPaul Gortmaker1-1/+1
These files are not modules, but were including module.h only for EXPORT_SYMBOL and/or THIS_MODULE. Now that we have the lightweight export.h, use it in these kinds of cases. Signed-off-by: Paul Gortmaker <[email protected]>
2009-08-03MIPS: Eleminate filenames from commentsRalf Baechle1-2/+0
They tend to get not updated when files are moved around or copied and lack any obvious use. While at it zap some only too obvious comments and as per Shinya's suggestion, add a copyright header to extable.c. Signed-off-by: Ralf Baechle <[email protected]> Acked-by: Shinya Kuribayashi <[email protected]> Acked-by: Thadeu Lima de Souza Cascardo <[email protected]>
2009-01-05proc: add /proc/*/stackKen Chen1-6/+18
/proc/*/stack adds the ability to query a task's stack trace. It is more useful than /proc/*/wchan as it provides full stack trace instead of single depth. Example output: $ cat /proc/self/stack [<c010a271>] save_stack_trace_tsk+0x17/0x35 [<c01827b4>] proc_pid_stack+0x4a/0x76 [<c018312d>] proc_single_show+0x4a/0x5e [<c016bdec>] seq_read+0xf3/0x29f [<c015a004>] vfs_read+0x6d/0x91 [<c015a0c1>] sys_read+0x3b/0x60 [<c0102eda>] syscall_call+0x7/0xb [<ffffffff>] 0xffffffff [add save_stack_trace_tsk() on mips, ACK Ralf --adobriyan] Signed-off-by: Ken Chen <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Alexey Dobriyan <[email protected]>
2008-07-23arch/mips/kernel/stacktrace.c: Heiko can't typeAndrew Morton1-1/+1
Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2008-07-18fix core/stacktrace changes on avr32, mips, shHeiko Carstens1-0/+1
Fixes this type of problem: CC arch/s390/kernel/stacktrace.o arch/s390/kernel/stacktrace.c:84: warning: data definition has no type or storage class arch/s390/kernel/stacktrace.c:84: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' arch/s390/kernel/stacktrace.c:84: warning: parameter names (without types) in function declaration arch/s390/kernel/stacktrace.c:97: warning: data definition has no type or storage class arch/s390/kernel/stacktrace.c:97: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL' arch/s390/kernel/stacktrace.c:97: warning: parameter names (without types) in function declaration caused by "stacktrace: export save_stack_trace[_tsk]" Signed-off-by: Heiko Carstens <[email protected]> Cc: Stephen Rothwell <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Andrew Morton <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2008-07-03stacktrace: export save_stack_trace[_tsk]Ingo Molnar1-0/+1
Andrew Morton reported this against linux-next: ERROR: ".save_stack_trace" [tests/backtracetest.ko] undefined! Reported-by: Andrew Morton <[email protected]> Signed-off-by: Ingo Molnar <[email protected]>
2007-05-08simplify the stacktrace codeChristoph Hellwig1-16/+6
Simplify the stacktrace code: - remove the unused task argument to save_stack_trace, it's always current - remove the all_contexts flag, it's alwasy 0 Signed-off-by: Christoph Hellwig <[email protected]> Cc: Paul Mundt <[email protected]> Cc: Ralf Baechle <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: "David S. Miller" <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Akinobu Mita <[email protected]> Acked-by: Ingo Molnar <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2006-10-19[MIPS] save_context_stack fixAtsushi Nemoto1-1/+1
CONFIG_KALLSYMS=n case is obviously wrong, though it is harmless since CONFIG_KALLSYMS is always enabled with CONFIG_STACKTRACE for now. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2006-10-01[MIPS] Make unwind_stack() can dig into interrupted contextAtsushi Nemoto1-26/+6
If the PC was ret_from_irq or ret_from_exception, there will be no more normal stackframe. Instead of stopping the unwinding, use PC and RA saved by an exception handler to continue unwinding into the interrupted context. This also simplifies the CONFIG_STACKTRACE code. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2006-10-01[MIPS] Stacktrace build-fix and improvementAtsushi Nemoto1-29/+23
Fix build error due to stacktrace API change. Now save_stack_trace() tries to save all kernel context, including interrupts and exception. Also some asm code are changed a bit so that we can detect the end of current context easily. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
2006-10-01[MIPS] lockdep: Add STACKTRACE_SUPPORT and enable LOCKDEP_SUPPORTAtsushi Nemoto1-0/+111
Implement stacktrace interface by using unwind_stack() and enable lockdep support in Kconfig. Signed-off-by: Atsushi Nemoto <[email protected]> Signed-off-by: Ralf Baechle <[email protected]>
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