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trace: add checkpoint event

Browse Source 
genodelabs/genode#4352
This commit is contained in:
Johannes Schlatow 2021-12-01 18:42:52 +01:00 committed by Christian Helmuth
parent cf904e0a5d
commit 73dad70356
8 changed files with 70 additions and 16 deletions
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30
repos/base/include/base/trace/events.h
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@ -25,6 +25,7 @@ namespace Genode { namespace Trace {
struct Rpc_reply; struct Rpc_reply;
struct Signal_submit; struct Signal_submit;
struct Signal_received; struct Signal_received;
struct Checkpoint;
} } } }
@ -121,4 +122,33 @@ struct Genode::Trace::Signal_received
}; };
struct Genode::Trace::Checkpoint
{
enum Type : unsigned char {
UNDEF = 0x0,
START = 0x1,
END = 0x2,
OBJ_NEW = 0x10,
OBJ_DEL = 0x11,
OBJ_STATE = 0x12,
EXCEPTION = 0xfe,
FAILURE = 0xff
};
char const *name;
unsigned long const data;
Type const type;
void *addr;
Checkpoint(char const *name, unsigned long data, void *addr, Type type=Type::UNDEF)
: name(name), data(data), type(type), addr(addr)
{
Thread::trace(this);
}
size_t generate(Policy_module &policy, char *dst) const {
return policy.checkpoint(dst, name, data, addr, type); }
};
#endif /* _INCLUDE__BASE__TRACE__EVENTS_H_ */ #endif /* _INCLUDE__BASE__TRACE__EVENTS_H_ */

17
repos/base/include/base/trace/policy.h
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@ -31,14 +31,15 @@ namespace Genode {
*/ */
struct Genode::Trace::Policy_module struct Genode::Trace::Policy_module
{ {
size_t (*max_event_size) (); size_t (*max_event_size) ();
size_t (*log_output) (char *, char const *, size_t); size_t (*checkpoint) (char *, char const *, unsigned long, void *, unsigned char);
size_t (*rpc_call) (char *, char const *, Msgbuf_base const &); size_t (*log_output) (char *, char const *, size_t);
size_t (*rpc_returned) (char *, char const *, Msgbuf_base const &); size_t (*rpc_call) (char *, char const *, Msgbuf_base const &);
size_t (*rpc_dispatch) (char *, char const *); size_t (*rpc_returned) (char *, char const *, Msgbuf_base const &);
size_t (*rpc_reply) (char *, char const *); size_t (*rpc_dispatch) (char *, char const *);
size_t (*signal_submit) (char *, unsigned const); size_t (*rpc_reply) (char *, char const *);
size_t (*signal_received) (char *, Signal_context const &, unsigned const); size_t (*signal_submit) (char *, unsigned const);
size_t (*signal_received) (char *, Signal_context const &, unsigned const);
}; };
#endif /* _INCLUDE__BASE__TRACE__POLICY_H_ */ #endif /* _INCLUDE__BASE__TRACE__POLICY_H_ */

17
repos/os/include/trace/policy.h
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@ -21,11 +21,12 @@ namespace Genode {
struct Signal_context; struct Signal_context;
} }
extern "C" size_t max_event_size (); extern "C" size_t max_event_size ();
extern "C" size_t log_output (char *dst, char const *log_message, size_t len); extern "C" size_t checkpoint (char *dst, char const *name, unsigned long, void *, unsigned char);
extern "C" size_t rpc_call (char *dst, char const *rpc_name, Genode::Msgbuf_base const &); extern "C" size_t log_output (char *dst, char const *log_message, size_t len);
extern "C" size_t rpc_returned (char *dst, char const *rpc_name, Genode::Msgbuf_base const &); extern "C" size_t rpc_call (char *dst, char const *rpc_name, Genode::Msgbuf_base const &);
extern "C" size_t rpc_dispatch (char *dst, char const *rpc_name); extern "C" size_t rpc_returned (char *dst, char const *rpc_name, Genode::Msgbuf_base const &);
extern "C" size_t rpc_reply (char *dst, char const *rpc_name); extern "C" size_t rpc_dispatch (char *dst, char const *rpc_name);
extern "C" size_t signal_submit (char *dst, unsigned const); extern "C" size_t rpc_reply (char *dst, char const *rpc_name);
extern "C" size_t signal_receive (char *dst, Genode::Signal_context const &, unsigned); extern "C" size_t signal_submit (char *dst, unsigned const);
extern "C" size_t signal_receive (char *dst, Genode::Signal_context const &, unsigned);

6
repos/os/src/lib/trace/policy/div_zero/policy.cc
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@ -18,6 +18,12 @@ size_t max_event_size()
return MAX_EVENT_SIZE; return MAX_EVENT_SIZE;
} }
size_t checkpoint(char *dst, char const *, unsigned long, void *, unsigned char)
{
return div_zero();
}
size_t log_output(char *dst, char const *log_message, size_t len) size_t log_output(char *dst, char const *log_message, size_t len)
{ {
return div_zero(); return div_zero();

5
repos/os/src/lib/trace/policy/log_output/policy.cc
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@ -10,6 +10,11 @@ size_t max_event_size()
return MAX_EVENT_SIZE; return MAX_EVENT_SIZE;
} }
size_t checkpoint(char *dst, char const *, unsigned long, void *, unsigned char)
{
return 0;
}
size_t log_output(char *dst, char const *log_message, size_t len) size_t log_output(char *dst, char const *log_message, size_t len)
{ {
len = min(len, MAX_EVENT_SIZE); len = min(len, MAX_EVENT_SIZE);

5
repos/os/src/lib/trace/policy/null/policy.cc
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@ -7,6 +7,11 @@ size_t max_event_size()
return 0; return 0;
} }
size_t checkpoint(char *dst, char const *, unsigned long, void *, unsigned char)
{
return 0;
}
size_t log_output(char *dst, char const *log_message, size_t len) size_t log_output(char *dst, char const *log_message, size_t len)
{ {
return 0; return 0;

5
repos/os/src/lib/trace/policy/rpc_name/policy.cc
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@ -10,6 +10,11 @@ size_t max_event_size()
return MAX_EVENT_SIZE; return MAX_EVENT_SIZE;
} }
size_t checkpoint(char *, char const *, unsigned long, void *, unsigned char)
{
return 0;
}
size_t log_output(char *dst, char const *log_message, size_t len) size_t log_output(char *dst, char const *log_message, size_t len)
{ {
return 0; return 0;

1
repos/os/src/lib/trace/policy/table.cc
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@ -19,6 +19,7 @@ extern "C" {
Genode::Trace::Policy_module policy_jump_table = Genode::Trace::Policy_module policy_jump_table =
{ {
max_event_size, max_event_size,
checkpoint,
log_output, log_output,
rpc_call, rpc_call,
rpc_returned, rpc_returned,