#Intel_PT - Twitter Hashtag

Arnaldo Carvalho de Melo @acmel

over 4 years ago

4th batch of #Linux #perf_tools fixes sent to Linus: https://t.co/6N4Yyaxwto #Intel_PT #ARM_SPE #perf_annotate

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Arnaldo Carvalho de Melo @acmel

over 4 years ago · Marechal Deodoro

Credit being given where credit is due, see [1] on the link below. It's great to see porcelain (to reuse the git jargon) built using the plumbing that perf has been putting together over the years :-) #Linux #perf_tools #Intel_PT

Hacker News Bot

@newsycombinator

over 4 years ago

Magic-trace – High-resolution traces of what a process is doing https://t.co/HpdaAEfoPQ

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Arnaldo Carvalho de Melo @acmel

over 4 years ago

2nd batch of perf tools fixes for Linux 5.18 sent to Linus: https://t.co/g5trwfqXvy #Linux #perf_tools #intel_pt #perf_bench #perf_record #perf_stat

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Arnaldo Carvalho de Melo @acmel

over 4 years ago

I just merged a document on how perf handles ARM's SPE (Statistical Profiling Extension), go read it to see its capabilities and how it integrates with the Linux perf tools. A good chunk applies to perf+Intel PT: https://t.co/Zhfgz1avlv #Linux perf_tools #ARM #Intel_PT

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Arnaldo Carvalho de Melo @acmel

over 4 years ago

1st batch of perf tools changes for Linux 5.18 just sent to Linus: https://t.co/Rj3n3Mm9By Lots of interesting new features and improvements, go check it out! #Linux #perf_tools #perf_ftrace #perf_lock #bpf #Intel_PT

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Arnaldo Carvalho de Melo @acmel

over 4 years ago · Marechal Deodoro

Nice description of Intel PT, helps understanding what perf does to decode hardware traces on Linux, the overall perf tools infra for Intel PT is shared with ARM's CoreSight ETM, BTW. #Linux #perf_tools #Intel_PT #ARM #CoreSight

SEKTOR7 Institute

@SEKTOR7net

over 4 years ago

Interesting approach to exploitation detection: using CPU feature called Intel Processor Tracing (Intel PT). The race continues... Congratz to CrowdStrike Falcon team https://t.co/1AWsoK1laH

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Arnaldo Carvalho de Melo @acmel

over 4 years ago

5th, and probably last perf tools fixes for v5.16 pull request sent to Linus: https://t.co/WdXwqfVdA4 #Linux #perf_tools #intel_pt #arm64 #perf_top

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Arnaldo Carvalho de Melo @acmel

about 5 years ago

Second batch of perf tooling changes for v5.14: https://t.co/dWqfj2JIFh #perf_events #bpf #cgroups #Intel_PT #PowerPC #topdown

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Arnaldo Carvalho de Melo @acmel

about 5 years ago

perf tools changes for v5.14: 1st batch https://t.co/Seuypfi7Uu Lotsa goodies for hardware tracing are in the mix, Intel PT and ARM Coresight. #linux #perf_tools #bpf #intel_pt #arm_coresight

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Arnaldo Carvalho de Melo @acmel

over 5 years ago

Hardware tracing with KVM, Intel PT anyone? Read the caveats and sequence of steps: https://t.co/LMYJLpgCSQ #kvm #linux #perf_tools #intel_pt

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Arnaldo Carvalho de Melo @acmel

about 6 years ago

There is soooo much to do with Intel PT (and CoreSight) and eBPF that I may have to find a way to work on some new feature that touches both... Perhaps asking for AUXTRACE snapshots from a BPF hook? #linux #perf #bpf #intel_pt

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Arnaldo Carvalho de Melo @acmel

almost 7 years ago

More basic block profiling goodies, this time you can jump from the report view directly to the annotation, just like with vanilla 'perf report/top', take a look at the example in my pull request: https://t.co/f3NP3T1hOZ. There you'll find even more ponies! #perf #linux #intel_pt

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Arnaldo Carvalho de Melo @acmel

almost 8 years ago

Using Intel's XED disassembler with 'perf script' to decode Intel PT traces recorded with 'perf record -e intel_pt//': https://t.co/YLEM7QPbUl #perf #harware_tracing #intel_pt #linux

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