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Update f3 to 8.0

Authored by algent on Tue, Nov 10, 7:38 PM.




  • f3read: add parameter --max-read-rate
  • f3read: report speed, percentage, remaining time like f3write
  • f3write: improve speed measurement
  • f3probe: handle rare assetion failure

Signed-off-by: Algent Albrahimi <>

Test Plan

Tested using a 32GB Flash Drive

$ sudo f3probe /dev/disk/by-label/ALGENT
F3 probe 8.0
Copyright (C) 2010 Digirati Internet LTDA.
This is free software; see the source for copying conditions.

WARNING: Probing normally takes from a few seconds to 15 minutes, but
         it can take longer. Please be patient.

Probe finished, recovering blocks... Done

Good news: The device `/dev/disk/by-label/ALGENT' is the real thing

Device geometry:
	         *Usable* size: 28.82 GB (60437492 blocks)
	        Announced size: 28.82 GB (60437492 blocks)
	                Module: 32.00 GB (2^35 Bytes)
	Approximate cache size: 0.00 Byte (0 blocks), need-reset=no
	   Physical block size: 512.00 Byte (2^9 Bytes)

Probe time: 5'14"

Diff Detail

R4484 f3
Automatic diff as part of commit; lint not applicable.
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

algent created this revision.Tue, Nov 10, 7:38 PM
algent requested review of this revision.Tue, Nov 10, 7:38 PM
JoshStrobl accepted this revision.Tue, Nov 10, 8:18 PM
JoshStrobl added a subscriber: JoshStrobl.

LGTM, thanks!

This revision is now accepted and ready to land.Tue, Nov 10, 8:18 PM
This revision was automatically updated to reflect the committed changes.