[RFC PATCH v5 0/2] trace,smp: Add tracepoints for csd

[Leonardo Bras]

Changes since RFCv4:
- Moved from trace/events/smp.h to trace/events/csd.h
- Using TRACE_SYSTEM csd, instead of smp
- generic_exec_single() trace uses NULL instead of csd for current cpu.
- Trace function csd type moved from call_single_data_t to 
  struct __call_single_data to avoid alignment errors on blk code.

Changes since RFCv3:
- Split the patch in 2: entry/exit and queue
- Fix 'struct __call_single_data' & call_single_data_t alignment issue
- Made all TP_printk follow the same pattern

Changes since RFCv2:
- Fixed some spacing issues and trace calls

Changes since RFCv1:
- Implemented trace_csd_queue_cpu() as suggested by Valentin Schneider
- Using EVENT_CLASS in order to avoid duplication
- Introduced new helper: csd_do_func()
- Name change from smp_call_function_* to csd_function_*
- Rebased on top of torvalds/master

Leonardo Bras (2):
  trace,smp: Add tracepoints around remotelly called functions
  trace,smp: Add tracepoints for scheduling remotelly called functions

 include/trace/events/csd.h | 72 ++++++++++++++++++++++++++++++++++++++
 kernel/smp.c               | 41 +++++++++++++---------
 2 files changed, 96 insertions(+), 17 deletions(-)
 create mode 100644 include/trace/events/csd.h

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2.41.0