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Searched refs:perf_event_paranoid (Results 1 – 11 of 11) sorted by relevance

/openbmc/linux/tools/perf/Documentation/
H A Dsecurity.txt142 Consider adjusting /proc/sys/kernel/perf_event_paranoid setting to open
145 perf_event_paranoid setting is -1:
151 To make the adjusted perf_event_paranoid setting permanent preserve it
152 in /etc/sysctl.conf (e.g. kernel.perf_event_paranoid = <setting>)
H A Dperf-list.txt232 This can be overridden by setting the kernel.perf_event_paranoid
236 /sys/kernel/tracing, even when perf_event_paranoid is in a relaxed
H A Dperf-intel-pt.txt593 (or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
615 (or if /proc/sys/kernel/perf_event_paranoid < 0), 128KiB for unprivileged users.
776 Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users
792 Unless /proc/sys/kernel/perf_event_paranoid is set to -1, unprivileged users are
H A Dperf-stat.txt451 perf.perf_event_paranoid=-1.
/openbmc/linux/tools/perf/util/
H A Dutil.c316 int perf_event_paranoid(void) in perf_event_paranoid() function
330 perf_event_paranoid() <= max_level; in perf_event_paranoid_check()
H A Devent.h368 int perf_event_paranoid(void);
H A Devsel.c2859 (paranoid = perf_event_paranoid()) > 1) { in evsel__fallback()
2973 perf_event_paranoid()); in evsel__open_strerror()
H A Devlist.c1590 value = perf_event_paranoid(); in evlist__strerror_open()
H A Dsymbol.c2401 if (perf_event_paranoid() > 1 && !perf_cap__capable(CAP_SYSLOG)) in symbol__read_kptr_restrict()
/openbmc/linux/Documentation/admin-guide/
H A Dperf-security.rst227 is governed by perf_event_paranoid [2]_ setting:
/openbmc/linux/Documentation/admin-guide/sysctl/
H A Dkernel.rst910 perf_event_paranoid chapter