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由 Heiko Carstens 提交于
With support for perf_regs and libdw, you can record and report call graphs for user space programs. Simply invoke perf with the --call-graph=dwarf command line option. Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com> [brueckner: added dwfl_thread_state_register_pc() call] Signed-off-by: NHendrik Brueckner <brueckner@linux.vnet.ibm.com> Reviewed-and-tested-by: NThomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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