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* Added new pattern filters d#<expr>, x#<expr>, and s#<expr> which

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set the actual pattern as "%d", "%x", and "%s" of the expression
  after '#' respectively. They are very slow, though.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24591 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-03-26 16:08:28 +00:00
parent e77b684f9e
commit dc1a7867e0
1 changed files with 52 additions and 0 deletions
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52
src/system/kernel/debug/tracing.cpp
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@ -419,6 +419,7 @@ public:
thread_id fThread;
team_id fTeam;
const char* fString;
uint64 fValue;
struct {
TraceFilter* first;
TraceFilter* second;
@ -458,6 +459,42 @@ public:
};
class DecimalPatternTraceFilter : public TraceFilter {
public:
virtual bool Filter(const TraceEntry* entry, LazyTraceOutput& out)
{
// TODO: this is *very* slow
char buffer[64];
snprintf(buffer, sizeof(buffer), "%Ld", fValue);
return strstr(out.DumpEntry(entry), buffer) != NULL;
}
};
class HexPatternTraceFilter : public TraceFilter {
public:
virtual bool Filter(const TraceEntry* entry, LazyTraceOutput& out)
{
// TODO: this is *very* slow
char buffer[64];
snprintf(buffer, sizeof(buffer), "%Lx", fValue);
return strstr(out.DumpEntry(entry), buffer) != NULL;
}
};
class StringPatternTraceFilter : public TraceFilter {
public:
virtual bool Filter(const TraceEntry* entry, LazyTraceOutput& out)
{
if (IS_KERNEL_ADDRESS(fValue))
return strstr(out.DumpEntry(entry), (const char*)fValue) != NULL;
// TODO: this is *very* slow
char buffer[64];
user_strlcpy(buffer, (const char*)fValue, sizeof(buffer));
return strstr(out.DumpEntry(entry), buffer) != NULL;
}
};
class NotTraceFilter : public TraceFilter {
public:
virtual bool Filter(const TraceEntry* entry, LazyTraceOutput& out)
@ -529,6 +566,21 @@ private:
PatternTraceFilter;
filter->fString = token + 1;
return filter;
} else if (token[0] == 'd' && token[1] == '#') {
TraceFilter* filter = new(&fFilters[fFilterCount++])
DecimalPatternTraceFilter;
filter->fValue = parse_expression(token + 2);
return filter;
} else if (token[0] == 'x' && token[1] == '#') {
TraceFilter* filter = new(&fFilters[fFilterCount++])
HexPatternTraceFilter;
filter->fValue = parse_expression(token + 2);
return filter;
} else if (token[0] == 's' && token[1] == '#') {
TraceFilter* filter = new(&fFilters[fFilterCount++])
StringPatternTraceFilter;
filter->fValue = parse_expression(token + 2);
return filter;
} else if (strcmp(token, "not") == 0) {
TraceFilter* filter = new(&fFilters[fFilterCount++]) NotTraceFilter;
if ((filter->fSubFilters.first = _ParseExpression()) != NULL)