 9d9cad763c
			
		
	
	
	9d9cad763c
	
	
	
		
			
			The time out to limit the individual proc map processing was hard code to 500ms. This patch introduce a new option --proc-map-timeout to make the time limit configurable. Signed-off-by: Kan Liang <kan.liang@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Ying Huang <ying.huang@intel.com> Link: http://lkml.kernel.org/r/1434549071-25611-2-git-send-email-kan.liang@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
		
			
				
	
	
		
			241 lines
		
	
	
	
		
			8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			241 lines
		
	
	
	
		
			8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __PERF_MACHINE_H
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| #define __PERF_MACHINE_H
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| 
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| #include <sys/types.h>
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| #include <linux/rbtree.h>
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| #include "map.h"
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| #include "dso.h"
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| #include "event.h"
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| 
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| struct addr_location;
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| struct branch_stack;
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| struct perf_evsel;
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| struct perf_sample;
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| struct symbol;
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| struct thread;
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| union perf_event;
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| 
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| /* Native host kernel uses -1 as pid index in machine */
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| #define	HOST_KERNEL_ID			(-1)
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| #define	DEFAULT_GUEST_KERNEL_ID		(0)
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| 
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| extern const char *ref_reloc_sym_names[];
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| 
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| struct vdso_info;
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| 
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| struct machine {
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| 	struct rb_node	  rb_node;
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| 	pid_t		  pid;
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| 	u16		  id_hdr_size;
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| 	bool		  comm_exec;
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| 	char		  *root_dir;
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| 	struct rb_root	  threads;
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| 	pthread_rwlock_t  threads_lock;
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| 	struct list_head  dead_threads;
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| 	struct thread	  *last_match;
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| 	struct vdso_info  *vdso_info;
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| 	struct dsos	  dsos;
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| 	struct map_groups kmaps;
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| 	struct map	  *vmlinux_maps[MAP__NR_TYPES];
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| 	u64		  kernel_start;
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| 	symbol_filter_t	  symbol_filter;
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| 	pid_t		  *current_tid;
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| 	union { /* Tool specific area */
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| 		void	  *priv;
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| 		u64	  db_id;
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| 	};
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| };
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| 
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| static inline
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| struct map *machine__kernel_map(struct machine *machine, enum map_type type)
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| {
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| 	return machine->vmlinux_maps[type];
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| }
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| 
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| int machine__get_kernel_start(struct machine *machine);
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| 
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| static inline u64 machine__kernel_start(struct machine *machine)
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| {
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| 	if (!machine->kernel_start)
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| 		machine__get_kernel_start(machine);
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| 	return machine->kernel_start;
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| }
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| 
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| static inline bool machine__kernel_ip(struct machine *machine, u64 ip)
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| {
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| 	u64 kernel_start = machine__kernel_start(machine);
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| 
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| 	return ip >= kernel_start;
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| }
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| 
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| struct thread *machine__find_thread(struct machine *machine, pid_t pid,
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| 				    pid_t tid);
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| struct comm *machine__thread_exec_comm(struct machine *machine,
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| 				       struct thread *thread);
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| 
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| int machine__process_comm_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| int machine__process_exit_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| int machine__process_fork_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| int machine__process_lost_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,
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| 					struct perf_sample *sample);
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| int machine__process_aux_event(struct machine *machine,
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| 			       union perf_event *event);
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| int machine__process_itrace_start_event(struct machine *machine,
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| 					union perf_event *event);
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| int machine__process_mmap_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| int machine__process_mmap2_event(struct machine *machine, union perf_event *event,
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| 				 struct perf_sample *sample);
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| int machine__process_event(struct machine *machine, union perf_event *event,
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| 				struct perf_sample *sample);
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| 
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| typedef void (*machine__process_t)(struct machine *machine, void *data);
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| 
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| struct machines {
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| 	struct machine host;
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| 	struct rb_root guests;
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| 	symbol_filter_t symbol_filter;
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| };
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| 
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| void machines__init(struct machines *machines);
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| void machines__exit(struct machines *machines);
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| 
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| void machines__process_guests(struct machines *machines,
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| 			      machine__process_t process, void *data);
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| 
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| struct machine *machines__add(struct machines *machines, pid_t pid,
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| 			      const char *root_dir);
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| struct machine *machines__find_host(struct machines *machines);
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| struct machine *machines__find(struct machines *machines, pid_t pid);
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| struct machine *machines__findnew(struct machines *machines, pid_t pid);
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| 
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| void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);
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| char *machine__mmap_name(struct machine *machine, char *bf, size_t size);
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| 
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| void machines__set_symbol_filter(struct machines *machines,
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| 				 symbol_filter_t symbol_filter);
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| void machines__set_comm_exec(struct machines *machines, bool comm_exec);
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| 
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| struct machine *machine__new_host(void);
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| int machine__init(struct machine *machine, const char *root_dir, pid_t pid);
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| void machine__exit(struct machine *machine);
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| void machine__delete_threads(struct machine *machine);
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| void machine__delete(struct machine *machine);
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| void machine__remove_thread(struct machine *machine, struct thread *th);
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| 
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| struct branch_info *sample__resolve_bstack(struct perf_sample *sample,
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| 					   struct addr_location *al);
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| struct mem_info *sample__resolve_mem(struct perf_sample *sample,
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| 				     struct addr_location *al);
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| int thread__resolve_callchain(struct thread *thread,
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| 			      struct perf_evsel *evsel,
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| 			      struct perf_sample *sample,
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| 			      struct symbol **parent,
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| 			      struct addr_location *root_al,
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| 			      int max_stack);
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| 
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| /*
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|  * Default guest kernel is defined by parameter --guestkallsyms
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|  * and --guestmodules
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|  */
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| static inline bool machine__is_default_guest(struct machine *machine)
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| {
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| 	return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;
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| }
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| 
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| static inline bool machine__is_host(struct machine *machine)
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| {
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| 	return machine ? machine->pid == HOST_KERNEL_ID : false;
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| }
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| 
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| struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
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| struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);
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| 
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| struct dso *machine__findnew_dso(struct machine *machine, const char *filename);
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| 
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| size_t machine__fprintf(struct machine *machine, FILE *fp);
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| 
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| static inline
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| struct symbol *machine__find_kernel_symbol(struct machine *machine,
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| 					   enum map_type type, u64 addr,
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| 					   struct map **mapp,
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| 					   symbol_filter_t filter)
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| {
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| 	return map_groups__find_symbol(&machine->kmaps, type, addr,
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| 				       mapp, filter);
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| }
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| 
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| static inline
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| struct symbol *machine__find_kernel_function(struct machine *machine, u64 addr,
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| 					     struct map **mapp,
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| 					     symbol_filter_t filter)
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| {
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| 	return machine__find_kernel_symbol(machine, MAP__FUNCTION, addr,
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| 					   mapp, filter);
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| }
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| 
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| static inline
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| struct symbol *machine__find_kernel_function_by_name(struct machine *machine,
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| 						     const char *name,
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| 						     struct map **mapp,
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| 						     symbol_filter_t filter)
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| {
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| 	return map_groups__find_function_by_name(&machine->kmaps, name, mapp,
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| 						 filter);
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| }
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| 
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| struct map *machine__findnew_module_map(struct machine *machine, u64 start,
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| 					const char *filename);
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| 
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| int machine__load_kallsyms(struct machine *machine, const char *filename,
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| 			   enum map_type type, symbol_filter_t filter);
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| int machine__load_vmlinux_path(struct machine *machine, enum map_type type,
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| 			       symbol_filter_t filter);
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| 
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| size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,
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| 				     bool (skip)(struct dso *dso, int parm), int parm);
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| size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);
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| size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,
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| 				     bool (skip)(struct dso *dso, int parm), int parm);
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| 
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| void machine__destroy_kernel_maps(struct machine *machine);
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| int __machine__create_kernel_maps(struct machine *machine, struct dso *kernel);
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| int machine__create_kernel_maps(struct machine *machine);
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| 
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| int machines__create_kernel_maps(struct machines *machines, pid_t pid);
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| int machines__create_guest_kernel_maps(struct machines *machines);
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| void machines__destroy_kernel_maps(struct machines *machines);
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| 
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| size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
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| 
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| int machine__for_each_thread(struct machine *machine,
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| 			     int (*fn)(struct thread *thread, void *p),
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| 			     void *priv);
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| int machines__for_each_thread(struct machines *machines,
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| 			      int (*fn)(struct thread *thread, void *p),
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| 			      void *priv);
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| 
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| int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
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| 				  struct target *target, struct thread_map *threads,
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| 				  perf_event__handler_t process, bool data_mmap,
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| 				  unsigned int proc_map_timeout);
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| static inline
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| int machine__synthesize_threads(struct machine *machine, struct target *target,
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| 				struct thread_map *threads, bool data_mmap,
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| 				unsigned int proc_map_timeout)
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| {
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| 	return __machine__synthesize_threads(machine, NULL, target, threads,
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| 					     perf_event__process, data_mmap,
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| 					     proc_map_timeout);
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| }
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| 
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| pid_t machine__get_current_tid(struct machine *machine, int cpu);
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| int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,
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| 			     pid_t tid);
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| 
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| #endif /* __PERF_MACHINE_H */
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