print-pebs-raw

#!/usr/bin/python

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# print-pebs file.json
# print all pebs events from a json event file in perf format

import sys
import json

def first(x):
    return x.split(",")[0]

for n in sys.argv[1:]:
    jf = json.load(open(n, "r"))
    for j in jf:
        if int(j["PEBS"]) == 0:
            continue
        out = "0x%04x" % (int(first(j["EventCode"]), 16) | (int(first(j["UMask"]), 16) << 8))
        print "%-40s %s" % (j["EventName"], out)