Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
New features:
- Add support to measure SMI cost in 'perf stat' (Kan Liang)
- Add support for unwinding callchains in powerpc with libdw (Paolo Bonzini)
Fixes:
- Fix message: cpu list option is -C not -c (Adrian Hunter)
- Fix 'perf script' message: field list option is -F not -f (Adrian Hunter)
- Intel PT fixes: (Adrian Hunter)
o Fix missing stack clear
o Ensure IP is zero when state is INTEL_PT_STATE_NO_IP
o Fix last_ip usage
o Ensure never to set 'last_ip' when packet 'count' is zero
o Clear FUP flag on error
o Fix transactions_sample_type
Infrastructure changes:
- Intel PT cleanups/refactorings (Adrian Hunter)
o Use FUP always when scanning for an IP
o Add missing __fallthrough
o Remove redundant initial_skip checks
o Allow decoding with branch tracing disabled
o Add default config for pass-through branch enable
o Add documentation for new config terms
o Add decoder support for ptwrite and power event packets
o Add reserved byte to CBR packet payload
o Add decoder support for CBR events
- Move find_process() to the only place that uses it, skimming some
more fat from util.[ch] (Arnaldo Carvalho de Melo)
- Do parameter validation earlier on fetch_kernel_version() (Arnaldo Carvalho de Melo)
- Remove unused _ALL_SOURCE define (Arnaldo Carvalho de Melo)
- Add sysfs__write_int function (Kan Liang)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>