What does mean "Performance Events: PEBS fmt1+, Nehalem events, Intel PMU driver." in dmesg file ?
Issue
- Below messages seen in the /var/log/dmesg file.
Performance Events: PEBS fmt1+, Nehalem events, Intel PMU driver.
... version: 3
... bit width: 48
... generic registers: 4
... value mask: 0000ffffffffffff
... max period: 000000007fffffff
... fixed-purpose events: 3
... event mask: 000000070000000f
ACPI: Core revision 20090903
ftrace: converting mcount calls to 0f 1f 44 00 00
ftrace: allocating 20276 entries in 80 pages
Setting APIC routing to physical flat
..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
Environment
- RHEL 6.0
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