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Probe refinement #208

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merged 6 commits into from Oct 7, 2019

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@udzura
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commented Oct 7, 2019

  • Fix probe name, timing
  • Remove clock_gettime and use nsec in probe
  • add bpftrace sample

and so on

udzura added 6 commits Oct 7, 2019
- This is fix of multiple location of ELF note

	New note is:

	Displaying notes found in: .note.stapsdt
	  Owner                 Data size       Description
	  stapsdt              0x00000046       NT_STAPSDT (SystemTap probe descriptors)
	    Provider: haconiwa
	    Name: bootstrap-phase-pass
	    Location: 0x000000000007b962, Base: 0x00000000002164e0, Semaphore: 0x0000000000000000
	    Arguments: -8@%rax -8@%rdx
	  stapsdt              0x0000003c       NT_STAPSDT (SystemTap probe descriptors)
	    Provider: haconiwa
	    Name: probe-misc
	    Location: 0x000000000007b9d2, Base: 0x00000000002164e0, Semaphore: 0x0000000000000000
	    Arguments: -8@%rax -8@%rdx
	  stapsdt              0x0000003f       NT_STAPSDT (SystemTap probe descriptors)
	    Provider: haconiwa
	    Name: probe-misc-str
	    Location: 0x000000000007bae6, Base: 0x00000000002164e0, Semaphore: 0x0000000000000000
	    Arguments: -8@%rbx 8@%rax
... and fix some timings to probe.

and add bpftrace example!
@udzura udzura merged commit b0b7a63 into master Oct 7, 2019
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@udzura udzura deleted the probe-refine branch Oct 7, 2019
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