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trace_subject_reporter: adjust ram usage

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to trace connection

Issue #2638
This commit is contained in:
Alexander Boettcher 2018-01-09 15:11:28 +01:00 committed by Norman Feske
parent 7c0894159f
commit df26dc07e9
1 changed files with 11 additions and 2 deletions
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13
repos/os/src/app/trace_subject_reporter/main.cc
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@ -18,6 +18,7 @@
#include <base/attached_rom_dataspace.h>
#include <base/heap.h>
#include <os/reporter.h>
#include <util/retry.h>
struct Trace_subject_registry
@ -79,11 +80,19 @@ struct Trace_subject_registry
_entries = sorted;
}
unsigned update_subjects(Genode::Trace::Connection &trace)
{
return Genode::retry<Genode::Out_of_ram>(
[&] () { return trace.subjects(_subjects, MAX_SUBJECTS); },
[&] () { trace.upgrade_ram(4096); }
);
}
public:
void update(Genode::Trace::Connection &trace, Genode::Allocator &alloc)
{
unsigned const num_subjects = trace.subjects(_subjects, MAX_SUBJECTS);
unsigned const num_subjects = update_subjects(trace);
/* add and update existing entries */
for (unsigned i = 0; i < num_subjects; i++) {
@ -150,7 +159,7 @@ struct App::Main
{
Env &_env;
Trace::Connection _trace { _env, 512*1024, 32*1024, 0 };
Trace::Connection _trace { _env, 10*4096, 32*1024, 0 };
Reporter _reporter { _env, "trace_subjects", "trace_subjects", 64*1024 };