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top: increase number of supported trace subjects

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and print error if it may not be enough.
This commit is contained in:
Alexander Boettcher 2017-11-21 13:34:36 +01:00 committed by Christian Helmuth
parent 9c852c750a
commit 5e4b523357
1 changed files with 6 additions and 1 deletions
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7
repos/os/src/app/top/main.cc
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@ -61,7 +61,7 @@ struct Trace_subject_registry
return nullptr;
}
enum { MAX_SUBJECTS = 512 };
enum { MAX_SUBJECTS = 1024 };
Genode::Trace::Subject_id _subjects[MAX_SUBJECTS];
enum { MAX_CPUS_X = 16, MAX_CPUS_Y = 1, MAX_ELEMENTS_PER_CPU = 6};
@ -78,6 +78,11 @@ struct Trace_subject_registry
{
unsigned const num_subjects = trace.subjects(_subjects, MAX_SUBJECTS);
if (num_subjects == MAX_SUBJECTS)
Genode::error("Not enough memory for all threads - "
"calculated utilization is not sane nor "
"complete !", num_subjects);
/* add and update existing entries */
for (unsigned i = 0; i < num_subjects; i++) {