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make curr_CPU_time() broadly available rather than just isolated to ZAM

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This commit is contained in:
Vern Paxson 2022-05-03 10:38:32 -07:00
parent aa5a5b2136
commit 41aee03c17
3 changed files with 14 additions and 11 deletions
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15
src/script_opt/ZAM/ZBody.cc
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@ -124,13 +124,6 @@ VEC_COERCE(UD, TYPE_COUNT, bro_uint_t, AsDouble(), double_to_count_would_overflo
"double to unsigned")
VEC_COERCE(UI, TYPE_COUNT, bro_int_t, AsInt(), int_to_count_would_overflow, "signed to unsigned")
double curr_CPU_time()
{
struct timespec ts;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
return double(ts.tv_sec) + double(ts.tv_nsec) / 1e9;
}
ZBody::ZBody(const char* _func_name, const ZAMCompiler* zc) : Stmt(STMT_ZAM)
{
func_name = _func_name;
@ -240,14 +233,14 @@ void ZBody::InitProfile()
ValPtr ZBody::Exec(Frame* f, StmtFlowType& flow)
{
#ifdef DEBUG
double t = analysis_options.profile_ZAM ? curr_CPU_time() : 0.0;
double t = analysis_options.profile_ZAM ? util::curr_CPU_time() : 0.0;
#endif
auto val = DoExec(f, 0, flow);
#ifdef DEBUG
if ( analysis_options.profile_ZAM )
*CPU_time += curr_CPU_time() - t;
*CPU_time += util::curr_CPU_time() - t;
#endif
return val;
@ -305,7 +298,7 @@ ValPtr ZBody::DoExec(Frame* f, int start_pc, StmtFlowType& flow)
++(*inst_count)[pc];
profile_pc = pc;
profile_CPU = curr_CPU_time();
profile_CPU = util::curr_CPU_time();
}
#endif
@ -327,7 +320,7 @@ ValPtr ZBody::DoExec(Frame* f, int start_pc, StmtFlowType& flow)
#ifdef DEBUG
if ( do_profile )
{
double dt = curr_CPU_time() - profile_CPU;
double dt = util::curr_CPU_time() - profile_CPU;
inst_CPU->at(profile_pc) += dt;
ZOP_CPU[z.op] += dt;
}

7
src/util.cc
View file

@ -2058,6 +2058,13 @@ int time_compare(struct timeval* tv_a, struct timeval* tv_b)
return tv_a->tv_sec - tv_b->tv_sec;
}
double curr_CPU_time()
{
struct timespec ts;
clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
return double(ts.tv_sec) + double(ts.tv_nsec) / 1e9;
}
struct UIDEntry
{
UIDEntry() : key(0, 0), needs_init(true) { }

3
src/util.h
View file

@ -424,6 +424,9 @@ extern struct timeval double_to_timeval(double t);
// Return > 0 if tv_a > tv_b, 0 if equal, < 0 if tv_a < tv_b.
extern int time_compare(struct timeval* tv_a, struct timeval* tv_b);
// Returns the CPU time consumed to date.
extern double curr_CPU_time();
// Returns an integer that's very likely to be unique, even across Zeek
// instances. The integer can be drawn from different pools, which is helpful
// when the random number generator is seeded to be deterministic. In that