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libsysprof-analyze: keep bitset of known pids

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This can be handy for iterating all the pids we know we've seen during
process loading.
This commit is contained in:
Christian Hergert
2023-05-11 15:02:32 -07:00
parent 7c37120edf
commit 971166a82f
1 changed files with 8 additions and 0 deletions
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8
src/libsysprof-analyze/sysprof-document.c
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@ -56,6 +56,7 @@ struct _SysprofDocument
GtkBitset *traceables; GtkBitset *traceables;
GtkBitset *processes; GtkBitset *processes;
GtkBitset *mmaps; GtkBitset *mmaps;
GtkBitset *pids;
GHashTable *files_first_position; GHashTable *files_first_position;
GHashTable *pid_to_process_info; GHashTable *pid_to_process_info;
@ -193,6 +194,7 @@ sysprof_document_finalize (GObject *object)
g_clear_pointer (&self->processes, gtk_bitset_unref); g_clear_pointer (&self->processes, gtk_bitset_unref);
g_clear_pointer (&self->mmaps, gtk_bitset_unref); g_clear_pointer (&self->mmaps, gtk_bitset_unref);
g_clear_pointer (&self->file_chunks, gtk_bitset_unref); g_clear_pointer (&self->file_chunks, gtk_bitset_unref);
g_clear_pointer (&self->pids, gtk_bitset_unref);
g_clear_object (&self->mount_namespace); g_clear_object (&self->mount_namespace);
@ -219,6 +221,7 @@ sysprof_document_init (SysprofDocument *self)
self->file_chunks = gtk_bitset_new_empty (); self->file_chunks = gtk_bitset_new_empty ();
self->processes = gtk_bitset_new_empty (); self->processes = gtk_bitset_new_empty ();
self->mmaps = gtk_bitset_new_empty (); self->mmaps = gtk_bitset_new_empty ();
self->pids = gtk_bitset_new_empty ();
self->files_first_position = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); self->files_first_position = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
self->pid_to_process_info = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)sysprof_process_info_unref); self->pid_to_process_info = g_hash_table_new_full (NULL, NULL, NULL, (GDestroyNotify)sysprof_process_info_unref);
@ -425,6 +428,7 @@ sysprof_document_load (SysprofDocument *self,
const SysprofCaptureFrame *tainted; const SysprofCaptureFrame *tainted;
SysprofDocumentFramePointer ptr; SysprofDocumentFramePointer ptr;
guint16 frame_len; guint16 frame_len;
int pid;
memcpy (&frame_len, &self->base[pos], sizeof frame_len); memcpy (&frame_len, &self->base[pos], sizeof frame_len);
if (self->needs_swap) if (self->needs_swap)
@ -438,6 +442,10 @@ sysprof_document_load (SysprofDocument *self,
tainted = (const SysprofCaptureFrame *)(gpointer)&self->base[pos]; tainted = (const SysprofCaptureFrame *)(gpointer)&self->base[pos];
pid = self->needs_swap ? GUINT32_SWAP_LE_BE (tainted->pid) : tainted->pid;
gtk_bitset_add (self->pids, pid);
if (tainted->type == SYSPROF_CAPTURE_FRAME_SAMPLE || if (tainted->type == SYSPROF_CAPTURE_FRAME_SAMPLE ||
tainted->type == SYSPROF_CAPTURE_FRAME_ALLOCATION) tainted->type == SYSPROF_CAPTURE_FRAME_ALLOCATION)
gtk_bitset_add (self->traceables, self->frames->len); gtk_bitset_add (self->traceables, self->frames->len);