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- CREATE TABLE IF NOT EXISTS processes (
- id INTEGER PRIMARY KEY AUTOINCREMENT,
- name TEXT NOT NULL UNIQUE
- );
- CREATE INDEX IF NOT EXISTS process_name_idx ON processes(name);
- CREATE TABLE IF NOT EXISTS observations (
- id INTEGER PRIMARY KEY AUTOINCREMENT,
- time INTEGER NOT NULL,
- rss INTEGER NOT NULL,
- process_id INTEGER NOT NULL REFERENCES processes(id)
- );
- CREATE INDEX IF NOT EXISTS observations_time_idx ON observations(time);
- CREATE INDEX IF NOT EXISTS observations_process_id_idx ON observations(process_id);
- CREATE VIEW IF NOT EXISTS procsummary AS
- SELECT
- p.name as name,
- o.time as time,
- max(o.rss) as max_rss,
- avg(o.rss) as avg_rss,
- sum(o.rss) as rss,
- count(o.id) as num_procs
- FROM
- observations AS o
- JOIN
- processes AS p ON
- p.id = o.process_id
- GROUP BY
- o.time, p.name
- ;
- /* Writable view for simplicity's sake */
- CREATE TRIGGER IF NOT EXISTS
- procsummary_wv_processes
- INSTEAD OF INSERT ON
- procsummary
- BEGIN
- INSERT OR IGNORE INTO processes (name) VALUES (new.name);
- INSERT INTO observations (time,rss,process_id) VALUES ( strftime("%s", "now"), new.rss, (SELECT id FROM processes AS p WHERE p.name=new.name) );
- END;
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