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authorMatan Barak <[email protected]>2015-06-11 16:35:26 +0300
committerDoug Ledford <[email protected]>2015-06-12 14:49:10 -0400
commit52033cfb5aab2a54e238e93c9e52f61c2c5708aa (patch)
tree2fa1c99afee51a719b168c7b3175cdce25bb4090 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Util.py
parent2528e33e680921d95092f83c4a64046744f111b3 (diff)
IB/mlx4: Add mmap call to map the hardware clock
In order to read the HCA's cycle counter efficiently in user space, we need to map the HCA's register. This is done through mmap call. Signed-off-by: Matan Barak <[email protected]> Signed-off-by: Or Gerlitz <[email protected]> Signed-off-by: Doug Ledford <[email protected]>
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